All 1706 tools
Every calculator, score, and reference on Sophie Well, grouped by specialty. If you already know what you need, asking is faster.
Clinical Math & Conversions 188
- A-a Gradient
- A-a Gradient & P/F Suite
- ABIC Score (Alcoholic Hepatitis)
- Absolute Neutrophil Count (ANC) + neutropenia grade
- Adrenal CT Washout (adenoma vs non-adenoma)
- ALBI grade (albumin-bilirubin liver function)
- Albumin-Corrected Anion Gap (Figge)
- Albumin-corrected phenytoin (Sheiner-Tozer)
- Albumin-to-Globulin Ratio (A/G)
- Aldosterone-Renin Ratio (ARR, primary-aldosteronism screen)
- Amniotic Fluid Index (AFI)
- Anion Gap
- Anion Gap & Delta-Delta
- Ankle-Brachial Index (ABI)
- Aortic Valve Area (continuity equation)
- APRI (AST to Platelet Ratio Index)
- Arterial O2 Content (CaO2) + O2 Delivery (DO2)
- Barnhart Minimal hCG Rise (viable IUP)
- Base excess (Van Slyke, Hgb-corrected)
- Bedside Schwartz eGFR (pediatric)
- Bicarbonate Deficit + Sodium Deficit
- BIG Score (pediatric trauma)
- BMI Calculator
- Body Surface Area (BSA)
- Body Weight & BSA Suite (IBW / AdjBW / BSA)
- Burn-resuscitation urine-output target
- Calcium-Phosphate Product (CKD-MBD)
- Calculated LDL (Friedewald + NIH)
- Cardiac Output by the Fick Principle
- Cardiac Power Output (CPO)
- Castelli Risk Index I & II (TC/HDL, LDL/HDL)
- CDC Stature-for-Age Percentile (2-20 yr)
- CDC Weight-for-Age Percentile (2-20 yr)
- Cerebral Perfusion Pressure (CPP = MAP - ICP)
- Cerebroplacental Ratio (CPR)
- CKD-EPI 2021 Cystatin-C eGFR (race-free)
- Cockcroft-Gault Creatinine Clearance
- Compartment Delta Pressure (fasciotomy threshold)
- Confidence Interval for a Proportion (Wilson)
- CONUT (Controlling Nutritional Status score)
- Corrected Calcium / Sodium Suite
- Corrected Calcium for Albumin
- Corrected Count Increment (platelet refractoriness)
- Corrected Gestational Age
- Corrected Sodium for Hyperglycemia
- CT Effective Dose (DLP × k)
- Diagnostic Test 2×2 (sens / spec / PV / LR)
- Dialysis Adequacy (URR + Kt/V)
- Doppler Stroke Volume & CO (LVOT-VTI)
- Driving Pressure + static/dynamic compliance
- Drug Burden Index (DBI)
- Duke Treadmill Score (exercise-test prognosis)
- E/e′ (LV Filling-Pressure Estimate)
- eGFR Suite (CKD-EPI 2021 / MDRD / CG)
- Estimated Average Glucose from A1c (eAG)
- Estimated blood volume + max allowable blood loss
- Estimated GFR (CKD-EPI 2021)
- Estimated VO₂max & METs (Bruce / Cooper)
- Expected HCO3 (respiratory acidosis)
- Expected HCO3 (respiratory alkalosis)
- Expected PaCO2 (metabolic alkalosis)
- Fagan Post-Test Probability (likelihood ratio)
- Fatty Liver Index (steatosis probability)
- FENa / FEUrea
- FIB-4 Index for Liver Fibrosis
- Forns Index (HCV fibrosis)
- Fractional Excretion of Bicarbonate (FEHCO3)
- Fractional excretion of magnesium (FEMg)
- Fractional excretion of phosphate (FEPO4)
- Free Thyroxine Index (FTI / T7)
- Free Water Deficit Calculator
- Gait Speed (4-meter / habitual, m/s)
- GAP Trauma Score
- GLOBE Score (PBC Transplant-Free Survival)
- GNRI (Geriatric Nutritional Risk Index)
- Gorlin Valve-Area Equation
- Hadlock Estimated Fetal Weight (BPD/HC/AC/FL)
- Harris-Benedict Basal Energy Expenditure (revised)
- Hemodynamics: Cardiac Index, Stroke Volume, SVR/PVR Suite
- Hemoglobin-Corrected DLCO & KCO
- HOMA-B (Steady-State β-Cell Function)
- HOMA-IR (insulin resistance) + HOMA-%B
- ICH Volume (ABC/2)
- IOL Power (SRK II)
- IOM Gestational Weight Gain
- IVC Collapsibility / Distensibility Index
- Jostel’s TSH Index (TSHI / sTSHI)
- Katch-McArdle Basal Metabolic Rate (lean-mass)
- Koff Expected Bladder Capacity
- Lactate Clearance
- Lean Body Weight (Janmahasatian)
- Left Atrial Volume Index (LAVI)
- Lok Index (cirrhosis probability)
- LV Mass Index & Geometry (Devereux)
- LV Meridional Wall Stress (Laplace)
- Maintenance Fluids (4-2-1)
- MAP / Pulse Pressure / Shock Index
- Matsuda Insulin Sensitivity Index (OGTT)
- Mean Airway Pressure (Pₘₐw)
- Mean Arterial Pressure
- Mean QRS Axis (frontal plane, hexaxial)
- Measured Creatinine Clearance (timed urine)
- Mechanical Power of Ventilation (Gattinoni)
- MELD-Na (Sodium-Augmented MELD)
- MELD-XI (MELD excluding INR)
- METS-IR (Metabolic Score for Insulin Resistance)
- MGAP Trauma Score
- Mid-Parental Target Height
- Mifflin-St Jeor Resting Energy Expenditure
- Minute Ventilation + Target-PaCO2 Rate
- Naegele Pregnancy Due Date
- New Injury Severity Score (NISS)
- Non-HDL & Remnant Cholesterol
- nPCR / nPNA (dialysis protein catabolic rate)
- Number Needed to Treat / Absolute Risk Reduction (NNT, ARR)
- Nutritional Risk Index (Buzby NRI)
- Ocular Perfusion Pressure (OPP)
- Onodera Prognostic Nutritional Index (PNI)
- Oral Disposition Index (DIo)
- Osmolal Gap
- Oxygenation Index (OI) + Oxygen Saturation Index (OSI)
- P/F Ratio
- Pack-Years
- PALBI (Platelet-Albumin-Bilirubin) Grade
- Passive Leg Raise Stroke-Volume Response
- Pediatric BMI-for-Age Percentile (CDC)
- pH-Corrected Serum Potassium
- Physiologic Dead-Space Fraction (Bohr-Enghoff Vd/Vt)
- PISA Regurgitant Orifice & Volume (EROA)
- Predicted Body Weight + ARDSnet Tidal Volume
- Predicted Spirometry + LLN (GLI-2012)
- Pregnancy Dating (LMP / CRL / EDD)
- Prostate volume (ellipsoid)
- PSA density
- PSA doubling time
- PSA velocity
- Pulmonary Artery Pulsatility Index (PAPi)
- Pulmonary Shunt Fraction (Qs/Qt)
- Pulse-Pressure / Stroke-Volume Variation
- Pure Tone Average (PTA)
- Qp/Qs Pulmonary-to-Systemic Flow Ratio
- QTc Correction
- QUICKI (insulin sensitivity index)
- Radiotherapy BED & EQD2 (linear-quadratic)
- Rapid Shallow Breathing Index (RSBI)
- RDW-to-Platelet Ratio (RPR, liver fibrosis)
- RECIST 1.1 Tumor Response
- Reticulocyte Production Index (corrected retic)
- Revised Mayo PSC Natural-History Model
- ROX Index (HFNC failure prediction)
- RV Systolic Pressure / PASP (TR jet)
- Salazar-Corcoran Creatinine Clearance (Obesity)
- Sandvik Severity Index (urinary incontinence)
- Schofield Basal Metabolic Rate (age-banded)
- Shift net fluid balance (I&O)
- Sodium Correction Rate Planner (Adrogue-Madias)
- SPINA-GD (Peripheral Deiodinase Activity)
- SPINA-GT (Thyroid Secretory Capacity)
- SpO₂/FiO₂ (S/F) Ratio with estimated P/F
- Standard Kt/V (weekly dialysis dose)
- Stewart SID / strong ion gap (SIG)
- Stool Osmotic Gap
- Tei Myocardial Performance Index (MPI)
- Teichholz LVEF & Fractional Shortening
- Time in Therapeutic Range (Rosendaal)
- Timed Up & Go (TUG)
- TIMI Risk Index
- Toe-Brachial Index (TBI)
- Transferrin Saturation (TSAT) + iron-studies interpreter
- Transpulmonary & Diastolic Pressure Gradient
- Transtubular Potassium Gradient (TTKG)
- Triglyceride-Glucose (TyG) index
- TRISS (Trauma & Injury Severity Score)
- TyG-BMI (Triglyceride-Glucose-BMI Index)
- UK-PBC Risk Score
- Ultrafiltration rate (dialysis)
- Unit Converter
- Urine Albumin/Protein-to-Creatinine Ratio
- Urine Anion Gap (non-gap acidosis)
- Urine osmolal gap (urinary NH4+ estimate)
- Urine output rate + KDIGO oliguria flag
- Vasoactive-Inotropic Score (VIS)
- Ventilation Index (VI)
- Ventilatory Ratio (VR)
- Visual Acuity Converter (Snellen / logMAR / decimal)
- Watson Total Body Water
- WHO Growth z-Score (0-2 yr)
- Winters Formula (expected PaCO2)
Clinical Scoring & Risk 1346
- 2010 ACR/EULAR Rheumatoid Arthritis Classification Criteria
- 2010 Task Force Criteria (ARVC Diagnosis)
- 2012 EULAR/ACR Polymyalgia Rheumatica Criteria
- 2013 ACR/EULAR Systemic Sclerosis Criteria
- 2015 ACR/EULAR Gout Classification Criteria
- 2015 Criteria (Neuromyelitis Optica Spectrum)
- 2016 ACR/EULAR Sjögren Criteria
- 2016 Revised ACR Fibromyalgia Criteria
- 2017 Consensus Criteria (Cystic Fibrosis)
- 2017 Criteria (Hypermobile Ehlers-Danlos)
- 2017 EULAR/ACR Myositis Classification
- 2018 ICM Periprosthetic Joint Infection Definition
- 2018 Lake Louise Criteria (Myocarditis on Cardiac MRI)
- 2019 EULAR/ACR SLE Classification Criteria
- 2020 RCD Criteria (IgG4-Related Disease)
- 2022 ACR/EULAR Eosinophilic Granulomatosis with Polyangiitis Classification Criteria
- 2022 ACR/EULAR Giant Cell Arteritis Classification Criteria
- 2022 ACR/EULAR Granulomatosis with Polyangiitis Classification Criteria
- 2022 ACR/EULAR Microscopic Polyangiitis Classification Criteria
- 2022 ACR/EULAR Takayasu Arteritis Classification Criteria
- 25-Hydroxyvitamin D Level Interpretation
- 2HELPS2B (cEEG seizure risk)
- 30-Second Chair Stand (CDC STEADI)
- 4-Stage Balance Test (CDC STEADI)
- 4AT Delirium Screen
- 4PEPS (4-level PE probability score)
- 4Ts Score (Heparin-Induced Thrombocytopenia)
- 6CIT (Six-item Cognitive Impairment Test)
- A-DROP Score (JRS CAP Severity)
- AAO-HNS Meniere Hearing Stage
- AAST Organ Injury Scale (spleen/liver/kidney)
- Abbey Pain Scale
- Abbreviated Burn Severity Index (ABSI)
- ABC Balance Confidence Scale
- ABC Score (Massive Transfusion)
- ABCD2 Score (TIA stroke risk)
- ABCD3-I Score (Early Stroke Risk After TIA)
- ABG Interpretation Walkthrough
- Ablett Classification (Tetanus Severity)
- Absolute Eosinophil Count (AEC, eosinophilia grading)
- ACB (Anticholinergic Cognitive Burden)
- ACEF and ACEF II (Cardiac Surgery Mortality Risk)
- ACOG Severe-feature Preeclampsia
- ACR TI-RADS (Thyroid Nodule)
- ACR/EULAR Boolean Remission (Rheumatoid Arthritis)
- Acromegaly Biochemical Diagnosis (IGF-1 + OGTT)
- ACTION ICU Score (ICU Complications in NSTEMI)
- Acute Cholangitis Diagnosis (Tokyo Guidelines TG18)
- Acute Cholangitis Severity (Tokyo Guidelines TG18)
- Acute Cholecystitis Diagnosis (Tokyo Guidelines TG18)
- Acute Cholecystitis Severity (Tokyo Guidelines TG18)
- Acute GVHD Grade (Modified Glucksberg)
- Acute Otitis Media Criteria
- Acute Pericarditis Criteria + Course
- Acute Tryptase Rise (mast cell activation)
- AD8 Dementia Screening Interview (informant)
- ADA / Bang Diabetes Risk Test
- ADHERE In-Hospital Heart-Failure Mortality
- ADO Index (Age, Dyspnea, Obstruction; COPD)
- Adult Appendicitis Score (AAS)
- Advanced Lung Cancer Inflammation Index (ALI)
- Age-Adjusted D-Dimer Cutoff
- Agile 3+ (FibroScan Advanced Fibrosis Probability)
- AHI / ODI Severity Classifier
- Ahlback Grade (Knee Osteoarthritis)
- AIMS (tardive dyskinesia severity)
- AIMS65 Score (upper GI bleeding mortality)
- Airway resistance (peak minus plateau)
- AJCC 8th-Edition Melanoma T Category
- AKIN criteria (AKI staging)
- al Naqeeb aEEG Amplitude Classification
- ALBI-PLT Score (Varices Risk)
- ALDEN (Drug Causality in SJS/TEN)
- Alpha-1 Antitrypsin Level and Genotype
- ALSFRS-R (ALS Functional Rating Scale, Revised)
- ALT-70 Cellulitis Score
- Altman Self-Rating Mania Scale (ASRM)
- Alvarado / Pediatric Appendicitis Score
- aMAP Score (Hepatocellular Carcinoma Risk)
- Amsel Criteria (Bacterial Vaginosis)
- Amsler-Krumeich Staging (Keratoconus)
- Amsterdam II Criteria (Lynch Syndrome)
- AMTS (Abbreviated Mental Test Score)
- Analytical goals from biological variation
- Anaphylaxis Diagnostic Criteria (2020 WAO)
- Anaphylaxis Severity Grade (Ring & Messmer)
- Anderson-D'Alonzo Classification (Odontoid Fracture)
- Anderson-Montesano (Occipital Condyle Fracture)
- Angle Classification (Malocclusion)
- Ann Arbor / Lugano Lymphoma Staging
- Aortic Dimensionless Index
- Aortic Dissection Detection Risk Score (ADD-RS)
- Aortic Regurgitation Stages A to D (ACC/AHA)
- Aortic Stenosis Stages A to D (ACC/AHA)
- APACHE II (ICU mortality estimate)
- Apfel Simplified PONV Score
- APGAR
- Appendicitis Inflammatory Response (AIR) Score
- APPLE Score (AF Recurrence After Ablation)
- APPS Score (Age, PaO₂/FiO₂, Plateau in ARDS)
- ARC-HBR Criteria (High Bleeding Risk after PCI)
- AREDS Simplified Severity Scale (Macular Degeneration)
- ARISCAT postoperative pulmonary risk
- Arozullah Postoperative Pneumonia Risk Index
- ARS (Anticholinergic Risk Scale)
- ASA Physical Status Classification
- ASAS Axial Spondyloarthritis Classification
- Ascitic Fluid Criteria for Bacterial Peritonitis
- ASCVD 10-year Risk (PCE)
- ASDAS (Ankylosing Spondylitis Disease Activity Score)
- ASIA Impairment Scale (spinal-cord injury)
- ASPECTS (Alberta Stroke Program Early CT Score)
- ASRS v1.1 Part A (Adult ADHD Screener)
- AST/ALT (De Ritis) Ratio
- Asthma Control Test (ACT)
- ASTRAL Score (90-Day Stroke Outcome)
- Atherogenic Index of Plasma (AIP)
- ATLAS Score (AF Recurrence After PVI)
- ATLAS Score (C. difficile Infection)
- ATRIA Bleeding Score
- ATRIA Stroke Risk Score
- Atrial Fibrillation Stages (2023 guideline)
- ATS/IDSA Criteria (NTM Pulmonary Disease)
- ATS/IDSA Severe CAP Criteria (2019)
- AUDIT (10-item alcohol use screen)
- AUDIT-C Alcohol Screener
- AUSDRISK (Type 2 Diabetes Risk)
- Auto-PEEP (end-expiratory hold)
- AV Fistula Maturation (Rule of 6s)
- AWOL Score (delirium risk at admission)
- Bacterial Meningitis Score (Nigrovic)
- Baden-Walker Prolapse Grade
- Bado Classification (Monteggia Fracture)
- Balance Error Scoring System (BESS)
- Banff Grade (Acute T Cell-Mediated Rejection)
- BAP-65 Score (acute COPD exacerbation)
- BARD Score (NAFLD advanced fibrosis)
- Barnes Akathisia Rating Scale
- Barrack Grade (Femoral Cement Mantle)
- Barrow Classification (Carotid-Cavernous Fistula)
- Barthel Index (weighted ADL for rehab nursing)
- BASDAI (Ankylosing Spondylitis Disease Activity)
- BASFI (Ankylosing Spondylitis Functional Index)
- BAT Score (hematoma expansion)
- Bates-Jensen Wound Assessment Tool (BWAT)
- BATT Score (Trauma Hemorrhage / TXA)
- Bauer and Modified Bauer Score (Skeletal Metastases)
- Baux Score (Burn Mortality Estimate)
- Baveno VII (Portal Hypertension & Varices Rule-Out)
- BCLC Stage (hepatocellular carcinoma)
- Beighton Hypermobility Score
- Berg Balance Scale (BBS)
- Berlin ARDS Criteria
- Berlin Questionnaire (OSA)
- Berndt-Harty Classification (Talar OCL)
- Bethesda System (Thyroid Cytopathology)
- BEWE (Erosive Tooth Wear)
- BI-RADS Assessment Category (Breast Imaging)
- Bickerstaff Brainstem Encephalitis Criteria
- Biffl Grade (Blunt Cerebrovascular Injury)
- Bigliani Classification (Acromion Morphology)
- Bilsky ESCC Scale (Epidural Spinal Cord Compression)
- BIMS (Brief Interview for Mental Status, MDS 3.0)
- BIND Score (Bilirubin Encephalopathy)
- Binet Staging (CLL)
- Biophysical Profile (BPP)
- Bishop Score (cervical favorability)
- Bismuth-Corlette Classification (Perihilar Cholangiocarcinoma)
- Bladder Outlet Obstruction Index (BOOI)
- Bland-Altman limits of agreement
- Blatt-Kupperman Menopausal Index
- Blood Pressure Categories (ACC/AHA)
- BODE Index (COPD prognosis)
- Body Roundness Index (BRI)
- Boey Score (Perforated Peptic Ulcer)
- Bohan & Peter Criteria (Polymyositis/Dermatomyositis)
- Bonacini Cirrhosis Discriminant Score
- Borden Classification (Dural AV Fistula)
- Borrmann Classification (Gastric Cancer)
- Bosniak Classification (renal cyst, 2019)
- Boston Bowel Preparation Scale (BBPS)
- Boston Carpal Tunnel Questionnaire (BCTQ)
- Boston Criteria (febrile infant)
- Boston Criteria v2.0 (cerebral amyloid angiopathy)
- Bova Score (PE complications)
- Boyd-Griffin Classification (Intertrochanteric Fracture)
- BPS (Behavioral Pain Scale)
- Braden Q (pediatric pressure-injury risk)
- Braden Scale (pressure injury risk)
- Brighton GBS Criteria (certainty level)
- Brock / PanCan Nodule Malignancy Risk
- Brodsky Tonsil Grading Scale
- Bromage Scale (Neuraxial Motor Block)
- Bronchiectasis Severity Index (BSI)
- Bronchodilator Responsiveness
- Brooker Classification (Heterotopic Ossification)
- Broset Violence Checklist
- Brouet Classification (Cryoglobulinemia)
- BRUE Lower-Risk Criteria (Brief Resolved Unexplained Event)
- Brugada Criteria (VT vs SVT, wide-complex tachycardia)
- Burch-Wartofsky point scale (thyroid storm)
- Bush-Francis Catatonia Rating Scale (BFCRS)
- C-RADS Category (CT Colonography)
- C-SSRS Screener (Columbia Suicide Severity Rating Scale)
- C-STAT / CPSSS (prehospital LVO severity)
- C. difficile Infection Severity (IDSA/SHEA)
- CAAP-AF Score (Freedom From AF After Ablation)
- CAD-RADS 2.0 Category (Coronary CTA)
- CADILLAC Risk Score (post-PCI mortality)
- CAGE Alcohol Screener
- CAGE-AID (Alcohol & Drug Screen)
- Caine Criteria (Wernicke Encephalopathy)
- Calcium/Creatinine Clearance Ratio (FHH vs PHPT)
- CAM-ICU (Confusion Assessment Method, ICU)
- Cambridge Diabetes Risk Score
- Canada ACS (C-ACS) Risk Score
- Canadian C-Spine Rule (CCR)
- Canadian CT Head Rule
- Canadian Syncope Risk Score
- Canadian TIA Score (7-Day Stroke Risk)
- Cancer Cachexia Consensus Definition
- Candida Score (León, invasive candidiasis)
- CAPD (Cornell Assessment of Pediatric Delirium)
- CAPRA prostate-cancer risk score (UCSF)
- CaPTHUS Score (Single-Gland Primary Hyperparathyroidism)
- Carboxyhemoglobin Level Interpretation
- Cardiac Sarcoidosis Criteria (HRS 2014)
- Cardiometabolic Index (CMI)
- CardShock Risk Score (cardiogenic shock mortality)
- Caregiver Strain Index (CSI)
- CARG Chemotherapy Toxicity Tool
- Carpenter-Coustan GDM Criteria
- Carpentier Classification (Mitral Regurgitation)
- CARPREG II Cardiac Risk in Pregnancy
- CART Score (Cardiac Arrest Risk Triage)
- CASPAR Criteria for Psoriatic Arthritis
- CATCH Rule (CT for childhood minor head injury)
- Caton-Deschamps Index (Patellar Height)
- Catterall Classification (Legg-Calvé-Perthes)
- CCS Angina Grade (Canadian Cardiovascular Society)
- CDAI (Clinical Disease Activity Index, rheumatoid arthritis)
- CDAI (Crohn's Disease Activity Index)
- CDC Blood Lead Reference Value
- CDC STEADI Fall-Risk Screening Algorithm
- CDC Two-Tier Lyme Serology Algorithm
- CDC/CSTE Measles Case Definition
- CDC/CSTE Pertussis Case Definition
- CDR Sum of Boxes (dementia staging)
- CEAP Classification (Chronic Venous Disease)
- Centor / McIsaac (strep pharyngitis)
- CES-D (depression scale)
- CHA2DS2-VA (2024 ESC, sex-removed AF stroke risk)
- CHA2DS2-VASc
- CHADS-65 Canadian AF Anticoagulation Pathway (CCS)
- CHADS2 Score (AF stroke risk)
- Chalder Fatigue Scale (CFQ-11)
- CHALICE Pediatric Head-Injury Rule
- CHARGE-AF (5-year Atrial Fibrillation Risk)
- Charlson Comorbidity Index (age-adjusted)
- CHEOPS (Pediatric Postoperative Pain Scale)
- CHESS Scale (interRAI health instability)
- Chicago Classification (Achalasia Subtype)
- Childhood Asthma Control Test (c-ACT)
- Chronic GVHD global severity (NIH 2014)
- CISNE (stable febrile-neutropenia complication risk)
- CIWA-Ar (alcohol withdrawal)
- Clark Level (Melanoma Invasion)
- Clavien-Dindo Classification (Surgical Complications)
- Cleveland Clinic (Thakar) Score, Dialysis-Requiring ARF After Cardiac Surgery
- Cleveland Clinic Constipation Score (Wexner)
- Clichy Criteria for Acute Liver Failure
- CLIF-C ACLF (acute-on-chronic liver failure)
- CLIF-C AD (Acute Decompensation, pre-ACLF)
- Clinical Activity Score (Thyroid Eye Disease)
- Clinical Dehydration Scale (CDS)
- Clinical Frailty Scale (CFS, Rockwood)
- Clinical Pulmonary Infection Score (CPIS)
- Clinical vs Preclinical Obesity (2025 Commission)
- CLIP Score (Cancer of the Liver Italian Program)
- CLL International Prognostic Index (CLL-IPI)
- CNPI (Checklist of Nonverbal Pain Indicators)
- CNS International Prognostic Index (CNS-IPI)
- Cobb Angle (Scoliosis Severity)
- Cohen-Mansfield Agitation Inventory (CMAI)
- Cohen's kappa (two raters, yes/no)
- Columbia Classification of FSGS (Biopsy Variant)
- COMFORT-B Behavioral Scale (pediatric sedation)
- COMPASS-CAT (Cancer-Associated VTE Risk)
- COMPERA 2.0 Four-Stratum PAH Risk
- Completeness of Cytoreduction (CC) Score
- Confusion Assessment Method (CAM, non-ICU)
- Conicity Index (Central Adiposity)
- Conley Fall Risk Scale
- Constans Score (upper-extremity DVT)
- Constrictive Pericarditis Echo Criteria
- COPD Assessment Test (CAT)
- Copenhagen Burnout Inventory (CBI)
- CORB Score (Severe Pneumonia)
- Cormack-Lehane Laryngoscopy Grade
- Cornell Scale for Depression in Dementia
- Coronary Artery Calcium (Agatston) Score
- Corrected TIMI Frame Count (cTFC)
- Cosyntropin (ACTH) Stimulation Test Interpretation
- COVID-GRAM Critical Illness Risk Score
- COWS (opioid withdrawal)
- CPOT (Critical-Care Pain Observation Tool)
- CPSS (Cincinnati Prehospital Stroke Scale)
- CRAFFT (Adolescent Substance-Use Screen)
- Crawford Classification (Thoracoabdominal Aortic Aneurysm)
- CRB-65 (CAP severity, no BUN)
- CRIES neonatal postoperative pain scale
- CROP Weaning Index
- Crowe Classification (Hip Dysplasia)
- CRP-to-Albumin Ratio (CAR)
- CRUSADE Major-Bleeding Risk (NSTEMI)
- CT Severity Index (Balthazar, pancreatitis)
- CTS-6 (Carpal Tunnel Syndrome Clinical Diagnosis)
- Cuff Leak Test
- CURB-65
- CVT Outcome Risk Score
- Cytokine Release Syndrome Grade (ASTCT)
- D’Amico Clinical Stages of Cirrhosis
- D’Amico prostate-cancer risk classification
- Danis-Weber Ankle Classification
- DAPSA (Psoriatic Arthritis Disease Activity)
- DAPT Score (continuation)
- DAS28 (rheumatoid arthritis disease activity, ESR/CRP)
- DASH VTE-Recurrence Score
- DAST-10 Drug Abuse Screening Test
- Deauville 5-Point Score (PET Response, Lymphoma)
- DeBakey Classification (Aortic Dissection)
- DECAF Score (acute COPD exacerbation)
- Dejour Classification (Trochlear Dysplasia)
- Delbet Classification (Pediatric Femoral Neck)
- Delta check (change from the last result)
- Delta Gap / Delta Ratio (Acid-Base)
- Denis Classification (Sacral Fracture)
- DENOVA Score (Echo Need in E. faecalis Bacteremia)
- Denver ED Trauma Organ Failure Score
- DETERMINE Nutritional Health Checklist
- Deurenberg Body-Fat Estimate
- Dexamethasone Suppression Test (1 mg Overnight)
- Diabetes and Prediabetes Diagnostic Criteria
- Diabetic Macular Edema Severity (ICDR)
- Diabetic Retinopathy Severity (ICDR Scale)
- Dimeglio Classification (Clubfoot Severity)
- DIPSS (myelofibrosis survival score)
- DIPSS-Plus (myelofibrosis survival score)
- Dizziness Handicap Inventory (DHI)
- DKA Resolution Criteria
- DKA vs HHS Classification + DKA Severity (ADA)
- DLQI (Dermatology Life Quality Index)
- DMFT Caries Index
- DN4 Neuropathic Pain Screen
- DOLOPLUS-2 (behavioral pain assessment)
- Dorr Classification (Proximal Femoral Morphology)
- DOSE Index (Dyspnea, Obstruction, Smoking, Exacerbations; COPD)
- DOSS (Delirium Observation Screening Scale)
- Downton Fall Risk Index
- DRAGON Score (post-tPA outcome)
- DRIP Score (Drug Resistance in Pneumonia)
- du Bois IPF 1-Year Mortality Score
- Duke Activity Status Index (DASI, Functional Capacity)
- Durie-Salmon Staging (Multiple Myeloma)
- Dutch Lipid Clinic Network Score (Familial Hypercholesterolemia)
- E-FACED Score (Bronchiectasis Exacerbation Risk)
- EASI (Eczema Area and Severity Index)
- EAT-10 (Eating Assessment Tool, dysphagia screen)
- Eat, Sleep, Console (neonatal opioid withdrawal)
- Eaton-Littler Stage (Thumb CMC Arthritis)
- EBMT Risk Score (Allogeneic Stem Cell Transplant)
- ECG Atrial Enlargement Criteria (left and right)
- ECG LVH Voltage Criteria (Sokolow-Lyon, Cornell)
- Eckardt Symptom Score (Achalasia)
- ECOG and Karnofsky Performance Status
- EDACS chest-pain score (+ EDACS-ADP)
- Edinburgh Claudication Questionnaire
- Edinburgh CT Criteria (CAA-Associated Lobar ICH)
- Edinburgh Postnatal Depression Scale
- Edmonton Frail Scale (EFS)
- Edmonton Obesity Staging System (EOSS)
- Edmonton Symptom Assessment System (ESAS)
- EDSS (Expanded Disability Status Scale, MS)
- Effective Serum Osmolality (Tonicity)
- Egami Score (IVIG Resistance, Kawasaki)
- EGRIS (GBS respiratory-failure risk)
- EGSYS Score (cardiac-syncope probability)
- EHIT Class (Endothermal Heat-Induced Thrombosis)
- Ehsani Index (Thalassemia vs Iron Deficiency)
- Eichenholtz Classification (Charcot Foot)
- El Khoury Classification (Aortic Regurgitation)
- El-Ganzouri Risk Index (difficult intubation)
- ELAPSS Score (aneurysm growth risk)
- Elderly Mobility Scale (EMS)
- Elemental Iron Ingested (Toxic Dose)
- Elixhauser Comorbidity Index (van Walraven)
- Ellis Dental Fracture Class
- ELN 2022 AML Genetic Risk Classification
- Emergency Surgery Score (ESS)
- Emergency Transfusion Score (ETS)
- END-IT Score (Status Epilepticus Outcome)
- Engel Epilepsy Surgery Outcome Class
- England & Fraser Index (Thalassemia vs Iron Deficiency)
- Enneking Surgical Staging (Musculoskeletal Sarcoma)
- EORTC/MSGERC Invasive Fungal Disease Definitions
- Epworth Sleepiness Scale
- EREFS Endoscopic Reference Score (Eosinophilic Esophagitis)
- Erez Pregnancy-Specific DIC Score
- ESHRE Bologna Criteria (Poor Ovarian Response)
- ESHRE Criteria (Premature Ovarian Insufficiency)
- ESSDAI (Sjögren Disease Activity Index)
- Essen Stroke Risk Score (Recurrent Vascular Events)
- ESSPRI (Sjögren Patient-Reported Index)
- Estimated Glucose Disposal Rate (eGDR)
- Estimated Plasma Volume Status (ePVS)
- EU-TIRADS (Thyroid Nodule, European Thyroid Association)
- EuroSCORE II (cardiac-surgery mortality)
- EUTOS Score (CML Prognosis on Imatinib)
- Evans Index (Ventricular Enlargement)
- EWGSOP2 Sarcopenia Algorithm
- Expanded Denver Criteria (BCVI screening)
- FABQ (Fear-Avoidance Beliefs Questionnaire)
- FACED Score (bronchiectasis)
- Fagerstrom Nicotine Dependence (FTND)
- FAINT Score (Older-Adult ED Syncope)
- FAST (Functional Assessment Staging Tool, dementia)
- FAST-ED (field LVO triage)
- Fatigue Severity Scale (FSS)
- Fazekas Scale (White Matter Hyperintensities)
- FeNO Interpretation (ATS 2011)
- Fernandez Classification (Distal Radius Fracture)
- FeverPAIN score (strep pharyngitis)
- FGSI (Fournier Gangrene Severity Index)
- Fibrinogen-to-Albumin Ratio (FAR)
- FibroQ (Liver Fibrosis Index)
- Ficat-Arlet Staging (Femoral Head AVN)
- Fielding-Hawkins (Atlantoaxial Rotatory Subluxation)
- FIGO Grading (Placenta Accreta Spectrum)
- FIGO PALM-COEIN (Abnormal Uterine Bleeding Causes)
- FINDRISC (Finnish Diabetes Risk Score)
- FIPS (Freiburg Index of Post-TIPS Survival)
- Fisher Grade (Original, Subarachnoid Hemorrhage CT)
- Fitzpatrick Skin Phototype (I-VI)
- Five-Factor Score (FFS-2011, systemic vasculitis prognosis)
- Five-Factor Score 1996 (Systemic Necrotizing Vasculitis)
- Five-Times Sit-to-Stand Test
- FLACC scale (pediatric non-verbal pain)
- Flamm VBAC Score
- Fleischner 2017 Nodule Follow-up
- FLIPI + IPI Lymphoma Prognostic Indices
- FLIPI-2 (Follicular Lymphoma Prognostic Index 2)
- FNCLCC Grade (Soft-Tissue Sarcoma)
- Foot Posture Index (FPI-6)
- Forrest Classification (Bleeding Peptic Ulcer)
- Forrester Hemodynamic Classification (Acute MI)
- FOUR Score (ICU coma scale for intubated patients)
- Fractional Excretion of Potassium (FEK)
- Fractional Excretion of Uric Acid (FEUA)
- FRAIL Scale (frailty screen)
- Framingham Criteria (Heart Failure Dx)
- Framingham General CVD Risk + Vascular Age (2008)
- Free Androgen Index (FAI)
- French TTP score (ADAMTS13 probability)
- Fried Frailty Phenotype
- Friedman Tongue Position (OSA Staging)
- Frisen Scale (Papilledema Grading)
- Frontal Assessment Battery (FAB)
- Frontal-Occipital Horn Ratio (FOHR)
- Frykman Classification (distal radius)
- Fukuoka Guidelines (Branch-Duct IPMN)
- fullPIERS (pre-eclampsia adverse-outcome risk)
- FUNC Score (Functional Outcome After ICH)
- Functional Oral Intake Scale (FOIS)
- Functional Reach Test
- Furosemide Stress Test (AKI Progression)
- Furst Ratio (urine/plasma electrolytes, SIADH fluid restriction)
- G8 Geriatric Screening
- GAD-7 Anxiety Screener
- Gadolinium and NSF Risk
- GAGS (Global Acne Grading System)
- GALAD Score (HCC serum-biomarker probability)
- GAP Index (idiopathic pulmonary fibrosis)
- GAPP Grade (Pheochromocytoma and Paraganglioma)
- Garden Classification (femoral neck)
- Gardner-Robertson Hearing Class
- Gartland Classification (Supracondylar Humerus)
- Gass Staging (Macular Hole)
- Gastric Emptying Study Grade
- Geissler Classification (Carpal Ligament Injury)
- GELF high-tumor-burden criteria (follicular lymphoma)
- Gell and Coombs Hypersensitivity Classification
- Genant Vertebral Fracture Grade
- Geneva Score (original)
- GerdQ (Reflux Disease Questionnaire)
- Geriatric Depression Scale (GDS-15)
- GGT-to-Platelet Ratio (GPR)
- GIPSS (Genetically Inspired Prognostic Score, PMF)
- Glasgow Alcoholic Hepatitis Score (GAHS)
- Glasgow Coma Scale
- Glasgow Coma Scale - Pupils (GCS-P)
- Glasgow Outcome Scale - Extended (GOS-E)
- Glasgow-Blatchford Score (Upper GI Bleed)
- GLASS Anatomic Stage (Chronic Limb-Threatening Ischemia)
- Gleason Grade Group (ISUP)
- Glickman Furcation Grade
- GLIM Criteria (Malnutrition Diagnosis)
- Global Deterioration Scale (Reisberg GDS, dementia)
- GLOBIAD (incontinence-associated dermatitis)
- Glogau Classification (Photoaging)
- GMFCS Level (Cerebral Palsy Gross Motor Function)
- GO-FAR Score (good-outcome survival after IHCA)
- GOLD ABE Assessment (COPD Group A/B/E)
- Gold Coast Criteria (ALS diagnosis, 2020)
- GOLD Spirometric Grade (COPD)
- Goldman Cardiac Risk Index
- Goligher Classification (Internal Hemorrhoids)
- Goteborg University Cirrhosis Index (GUCI)
- Goutallier Grade (Rotator Cuff Fatty Infiltration)
- GRACE Score (in-hospital mortality)
- Graduated Return to Learn After Concussion
- Graduated Return to Sport After Concussion
- Graus Criteria (Autoimmune Encephalitis)
- Gray-Weale Carotid Plaque Type (Ultrasound Echogenicity)
- Green & King Index
- Griffith Algorithm (VT vs SVT, default-to-VT)
- GRIm-Score (Gustave Roussy Immune Score)
- Groningen Frailty Indicator (GFI)
- Gupta Perioperative Cardiac Risk (MICA)
- Gupta Postoperative Respiratory Failure Risk
- GUSS (Gugging Swallowing Screen, post-stroke dysphagia)
- Gustilo-Anderson Open Fracture Classification
- Guy’s Stone Score (PCNL Complexity)
- H2FPEF Score (HFpEF probability)
- Hachinski Ischemic Score (dementia type)
- HACOR Score (NIV failure)
- Haggitt Level (Malignant Polyp Invasion)
- HALP Score (Hemoglobin, Albumin, Lymphocyte, Platelet)
- Hamada Grade (Cuff Tear Arthropathy)
- Hamilton Anxiety Rating Scale (HAM-A, 14-item)
- Hamilton Depression Rating Scale (HAM-D, 17-item)
- HANDOC Score (Echo Need in Strep Bacteremia)
- HAPS (harmless acute pancreatitis)
- HAQ-DI (Health Assessment Questionnaire Disability Index)
- Hardman Index (Ruptured Abdominal Aortic Aneurysm)
- Hardy Classification (Pituitary Adenoma)
- Harrington Classification (Periacetabular Metastases)
- Harris Hip Score
- Hartofilakidis Classification (Hip Dysplasia)
- Harvey-Bradshaw Index (Crohn’s activity)
- HAS-BLED
- Hasenclever IPS (advanced Hodgkin lymphoma)
- Hasford (Euro) Score for CML
- HAT Score (hemorrhage after thrombolysis)
- HATCH Score (AF Progression Risk)
- Hattrup-Johnson Grade (Hallux Rigidus)
- Hawkins Classification (Talar Neck Fracture)
- HCM Risk-SCD (5-year Sudden Cardiac Death, HCM)
- HCT-CI (Transplant Comorbidity Index, Sorror)
- HEAR Score (HEART minus troponin)
- Heart Failure by Ejection Fraction (HFimpEF)
- Heart Failure Stages A to D (ACC/AHA)
- HEART Pathway (Early Discharge in Chest Pain)
- HEART Score (chest pain)
- Heat Index (Apparent Temperature)
- HEAVEN Criteria (Difficult Emergency Airway)
- Heckerling Pneumonia Prediction Rule
- Heffner Criteria (Pleural Exudate, No Serum Sample)
- HELLP Syndrome Criteria
- Helsinki CT Score (TBI)
- HEMORR2HAGES Bleeding Score
- Hendrich II Fall Risk Model
- Hepamet Fibrosis Score (NAFLD Advanced Fibrosis)
- Hepatic iron index (Bassett)
- Hepatic Steatosis Index (NAFLD screen)
- Hepatic VOD / SOS definitions (Seattle, Baltimore, EBMT 2016)
- HERDOO2 (women with unprovoked VTE)
- Herring Lateral Pillar Classification (Perthes)
- Hestia Criteria (outpatient PE)
- HFA-PEFF Diagnostic Score (ESC HFpEF algorithm)
- HHIE-S (Hearing Handicap Screen)
- Hijdra Sum Score (SAH Blood Burden)
- Hill Classification (GE Flap Valve)
- Hinchey Classification (Acute Diverticulitis)
- HINTS / HINTS-plus (vestibular exam)
- HiSCR (Hidradenitis Suppurativa Clinical Response)
- HLH-2004 Diagnostic Criteria (Hemophagocytic Lymphohistiocytosis)
- Hodapp-Parrish-Anderson Staging (Glaucoma Visual Field)
- Hoehn & Yahr Parkinson Disease Staging
- Home Oxygen Qualifying Criteria
- House-Brackmann Facial Nerve Grading
- HRS-AKI Criteria (Hepatorenal Syndrome, 2024)
- HScore (reactive hemophagocytic syndrome)
- Hughes Functional Grading Scale (GBS disability)
- Humidex
- Hunt-Hess + WFNS aneurysmal SAH grading
- Hurley Staging (Hidradenitis Suppurativa)
- Hy's Law (drug-induced liver injury)
- IADPSG GDM Criteria
- ICANS Neurotoxicity Grade (ASTCT)
- ICBD 2014 (Behçet Disease Criteria)
- ICDSC (Intensive Care Delirium Screening Checklist)
- ICH Score (Hemphill 2001)
- ICHD-3 Criteria (Cluster Headache)
- ICHD-3 Criteria (Indomethacin-Responsive Headaches)
- ICHD-3 Criteria (Medication-Overuse Headache)
- ICHD-3 Criteria (Migraine, with and without aura)
- ICHD-3 Criteria (SUNCT and SUNA)
- ICHD-3 Criteria (Tension-Type Headache)
- ICHD-3 Criteria (Trigeminal Neuralgia)
- ICIQ-UI Short Form (urinary incontinence)
- ICRS Cartilage Lesion Grade (0-4)
- ID Migraine Screener
- Ideberg Classification (Glenoid Fossa Fracture)
- IGCCCG Prognostic Group (Metastatic Germ Cell Cancer)
- IHS4 (Hidradenitis Suppurativa Severity)
- IIEF-5 / SHIM (erectile dysfunction)
- ILAE Epilepsy Surgery Outcome Class
- ILD-GAP Index (Interstitial Lung Disease Mortality)
- IMDC (Heng) Metastatic RCC Risk
- IMPEDE VTE Score (Myeloma)
- IMPROVE Bleeding Risk Score
- IMPROVE VTE Risk Score
- IMPROVEDD VTE Risk Score (Medical Inpatients)
- INCREMENT-CPE Mortality Score
- Infant Breastfeeding Assessment (IBFAT)
- Injury Severity Score + Revised Trauma Score
- Insall-Salvati Ratio (Patellar Height)
- Insomnia Severity Index (ISI)
- Instability Severity Index Score (Shoulder, ISIS)
- Integrative Weaning Index (IWI)
- INTERCHEST Rule (Chest Pain, CAD)
- INTERMACS Profile (Advanced Heart Failure)
- interRAI Aggressive Behavior Scale (ABS)
- InterTAK Diagnostic Score (takotsubo vs ACS)
- Intubation Difficulty Scale (IDS)
- IOTA Simple Rules
- IPSS / AUA Symptom Index (prostate / LUTS)
- iRECIST Time-Point Response (Immunotherapy Trials)
- ISARIC 4C Mortality Score (COVID-19)
- ISG 1990 Criteria (Behçet Disease)
- ISGLS Bile Leak Grade
- ISGLS Post-Hepatectomy Liver Failure Grade
- ISGPS Delayed Gastric Emptying Grade
- ISGPS Postoperative Pancreatic Fistula Grade (2016)
- ISHLT Grade (Cardiac Acute Cellular Rejection)
- Ishoo Angioedema Staging
- ISL Lymphedema Staging (Stage and Volume Severity)
- ISTAP Skin Tear Classification
- ISTH Bleeding Assessment Tool (ISTH-BAT)
- ISTH Overt DIC Score
- JAAM DIC score (acute disseminated intravascular coagulation)
- Jerger Tympanogram Type
- JNET Classification (Magnifying NBI Colorectal)
- Jones Criteria (Acute Rheumatic Fever, 2015)
- JTA Criteria (Thyroid Storm, TS1 and TS2)
- Judet-Letournel Classification (Acetabular Fracture)
- Kadish Staging (Esthesioneuroblastoma)
- Katz ADL (Activities of Daily Living index)
- Kawasaki Disease Diagnostic Criteria (classic + incomplete)
- KDIGO AKI Staging
- KDIGO CKD Staging (G×A risk)
- KDIGO Membranous Nephropathy Risk
- Keith-Wagener-Barker (Hypertensive Retinopathy)
- Kellgren-Lawrence Osteoarthritis Grade
- Kennedy Classification (RPD)
- Kessler K6 Psychological Distress
- KFRE (kidney failure risk equation)
- Khorana Cancer-VTE Score
- Kikuchi Level (Sessile Submucosal Invasion)
- Killip Classification (acute MI)
- King’s College Criteria (acetaminophen-induced ALF)
- King's College criteria (non-acetaminophen ALF)
- King’s Score (Non-Invasive Cirrhosis Marker)
- Knosp Grade (Pituitary Adenoma)
- Kobayashi Score (IVIG Resistance, Kawasaki)
- Kocher Criteria (septic arthritis vs transient synovitis)
- Koivuranta PONV Score
- Koos Grade (Vestibular Schwannoma)
- Kudo Pit-Pattern (Colorectal Lesion)
- LA Grade (Erosive Esophagitis, GERD)
- Lab-score (Serious Bacterial Infection)
- Lachman Test Grade (ACL Laxity)
- LAMS (Los Angeles Motor Scale, LVO prediction)
- Lansky Play-Performance Scale (Pediatric)
- LANSS Pain Scale
- Larsen Grade (Rheumatoid Arthritis Radiographs)
- Lauge-Hansen Classification (Ankle Fracture)
- Lauren Classification (Gastric Cancer)
- Lawton IADL (Instrumental Activities of Daily Living)
- Le Fort Classification (Midface Fracture)
- Leddy-Packer Classification (Jersey Finger)
- Lee 4-Year Mortality Index (older adults)
- Leeds Enthesitis Index (LEI)
- Leibovich Score (clear-cell RCC progression)
- Leipzig Score (Wilson Disease diagnosis)
- LEMON Difficult Airway Predictor
- LENT Score (Malignant Pleural Effusion Prognosis)
- Lepine Criteria (Pleural Exudate, No Serum Sample)
- Levine-Edwards Classification (Hangman Fracture)
- LI-RADS v2018 Category (CT/MRI, HCC Imaging)
- Lichtiger Index (Ulcerative Colitis Activity)
- Lichtman Staging (Kienböck Disease)
- Light’s Criteria (Pleural Exudate vs Transudate)
- Lipid Accumulation Product (LAP)
- Lipid Rescue for Local Anesthetic Toxicity
- Lithium Dialysis Decision (EXTRIP)
- LODS (Logistic Organ Dysfunction System)
- Lodwick Grade (Bone Lesion Aggressiveness)
- Loe-Silness Gingival Index
- Loeb minimum criteria (initiating antibiotics in LTC)
- Lown Grade (Ventricular Ectopy)
- LRINEC Score (necrotizing fasciitis)
- Ludwig Scale (Female-Pattern Hair Loss)
- Lund-Browder Chart + Rule of Nines (%TBSA burn)
- Lund-Kennedy Endoscopic Score (Rhinosinusitis)
- Lund-Mackay CT Sinus Score
- Lung Immune Prognostic Index (LIPI)
- Lung Injury Prediction Score (LIPS)
- Lung-RADS v2022 Category (Lung Cancer Screening)
- LV Diastolic Function (ASE 2016, normal EF)
- Lymphocyte Doubling Time (CLL)
- Lymphocyte-to-Monocyte Ratio (LMR)
- Lysholm Knee Score
- M-CHAT-R/F Toddler Autism Screen
- MACOCHA Score (ICU difficult intubation)
- Maddrey DF and Lille Model (alcoholic hepatitis)
- MAGGIC Heart Failure Risk Score (1- & 3-year mortality)
- MAGIC Acute GVHD Staging and Grading
- Malignant Hyperthermia Clinical Grading Scale
- Malinas Score (Imminent Delivery)
- MALT-IPI (MALT Lymphoma Prognosis)
- Mangled Extremity Severity Score (MESS)
- Mannheim Peritonitis Index
- Manning Criteria (IBS)
- Manual Muscle Testing-8 (MMT-8)
- Marburg Heart Score (CAD in Primary-Care Chest Pain)
- Marsh-Oberhuber Classification (Celiac Histology)
- Marshall CT Classification (Traumatic Brain Injury)
- Marx Activity Rating Scale
- Masaoka-Koga Staging (Thymoma)
- MASCC Risk Index (febrile neutropenia)
- MASES Enthesitis Score
- MASI (Melasma Area and Severity Index)
- MASLD and MetALD Criteria (2023 nomenclature)
- Mason-Johnston Radial Head Fracture Classification
- Mayfield Classification (Perilunate Instability)
- Mayo Classification (Olecranon Fracture)
- Mayo Clinic SPN Malignancy Risk
- Mayo Imaging Classification of ADPKD
- Mayo MGUS progression-risk stratification
- Mayo Score / Partial Mayo (ulcerative colitis)
- MB-LATER Score (Very-Late AF Recurrence)
- McCormack Load-Sharing Classification (Spine Fracture)
- McCormick Grade (Spinal Cord Function)
- McIsaac Score (Modified Centor)
- McMahon Score (Rhabdomyolysis Risk)
- MDACC CLL Prognostic Index
- MECKI Score (CPET-anchored HF Prognosis)
- Medical Adhesive-Related Skin Injury (MARSI)
- MEDS Score (ED Sepsis Mortality)
- mEGOS (GBS walking-outcome score)
- Mehran Contrast-Induced Nephropathy Risk
- MELD 3.0 (Liver Disease Severity)
- MELD-3.0 / Child-Pugh
- Menopause Rating Scale (MRS)
- Mentzer Index (Microcytic Anemia Screen)
- MEOWS (Modified Early Obstetric Warning System)
- MESA 10-Year CHD Risk (with coronary-artery calcium)
- MESS (first-seizure recurrence risk)
- Metabolic Syndrome (Harmonized / IDF)
- METAVIR Activity Grade (Liver Biopsy)
- METAVIR Fibrosis Stage (Liver Biopsy)
- Methacholine Challenge Interpretation
- Methemoglobin Level Interpretation
- MEWS (Modified Early Warning Score)
- Meyerding Spondylolisthesis Grade
- Meyers-McKeever Classification (Tibial Eminence)
- MGFA class + MG-ADL (myasthenia severity)
- MIDAS (Migraine Disability Assessment)
- Milan Criteria (HCC transplant eligibility)
- Milch Classification (Lateral Condyle Fracture)
- Miller Gingival Recession Class
- Mini-Cog Cognitive Screener
- Minimal Disease Activity (MDA, Psoriatic Arthritis)
- miniPIERS (bedside pre-eclampsia risk)
- MIPI (Mantle Cell Lymphoma Prognostic Index)
- MIPSS70 (Primary Myelofibrosis, Transplant-Age)
- Mirels Score (impending pathologic fracture)
- MIS-C Surveillance Case Definition (2023)
- Mitral Stenosis Stages A to D (ACC/AHA)
- Mitral Valve Area by Pressure Half-Time
- mJOA (cervical myelopathy)
- mMRC Dyspnea Scale
- MNA-SF (Mini Nutritional Assessment)
- Modic Changes (Vertebral Endplate MRI)
- Modified 11-Item Frailty Index (mFI-11)
- Modified 5-Item Frailty Index (mFI-5)
- modified Aldrete + PADSS (PACU discharge)
- modified Aldrete Recovery Score
- Modified Ashworth Scale (spasticity grade)
- Modified Asthma Predictive Index (mAPI)
- Modified Bell Staging (NEC)
- Modified Caregiver Strain Index (MCSI)
- Modified Duke Criteria for Infective Endocarditis (2023 Duke-ISCVID)
- Modified EHRA Symptom Scale (Atrial Fibrillation)
- Modified Ferriman-Gallwey Hirsutism Score
- Modified Fisher Scale (SAH vasospasm risk)
- Modified Glasgow (Imrie) Pancreatitis Severity
- Modified Glasgow Prognostic Score (mGPS)
- Modified Graeb Score (IVH burden)
- Modified Mallampati Classification
- Modified Marshall organ-dysfunction score
- Modified NIH Activity and Chronicity Indices (Lupus Nephritis)
- modified NIHSS (mNIHSS, 11-item)
- modified NUTRIC (IL-6 omitted)
- Modified Rankin Scale (mRS, stroke outcome)
- Modified Rodnan Skin Score (mRSS)
- Modified Sartorius Score (Hidradenitis Suppurativa)
- Modified Sgarbossa Criteria (Smith)
- Montgomery-Asberg Depression Rating Scale (MADRS)
- Montreal Classification (IBD Phenotype)
- Mood Disorder Questionnaire (MDQ, bipolar screen)
- Morse Fall Scale
- MRC Muscle Power Grade
- MRC Sum Score (ICU-Acquired Weakness)
- MSKCC (Motzer) Metastatic RCC Risk
- mSMART Myeloma Risk Stratification
- mSWAT (Skin Tumor Burden, Mycosis Fungoides)
- mTICI reperfusion grade (stroke thrombectomy)
- MuLBSTA Score (Viral Pneumonia Mortality)
- Multiple myeloma ISS stage
- Multiple Organ Dysfunction Score (MODS)
- Murray Lung Injury Score
- MUST (Malnutrition Universal Screening Tool)
- Myer-Cotton Grade (Subglottic Stenosis)
- Myerson Classification (Lisfranc Injury)
- MYSEC-PM (Secondary Myelofibrosis Survival)
- Myxedema Coma Diagnostic Score
- N-PASS (Neonatal Pain, Agitation, Sedation Scale)
- NAC / Gillmore Stage (Transthyretin Cardiac Amyloidosis)
- NACSELD Acute-on-Chronic Liver Failure
- NAFLD Fibrosis Score
- Nancy Histological Index (Ulcerative Colitis)
- Naples Prognostic Score
- NAPSI (Nail Psoriasis Severity Index)
- Narakas Classification (Obstetric Brachial Plexus Palsy)
- Naranjo Adverse Drug Reaction Probability Scale
- Narcolepsy Criteria (Type 1 and Type 2)
- NASCET Carotid Stenosis
- Nash-Moe Grade (Vertebral Rotation)
- NCCN-IPI for DLBCL
- Neck Disability Index (NDI)
- Neer Classification (proximal humerus)
- NEMS (Nine Equivalents of Nursing Manpower Use)
- Neonatal Early-Onset Sepsis Calculator (Kaiser)
- Neonatal Ponderal Index (Rohrer’s Index)
- NEOS Score (Anti-NMDAR Encephalitis One-Year Status)
- Neuroleptic Malignant Syndrome Diagnostic Criteria
- Neutrophil-to-Lymphocyte Ratio (NLR)
- Neutrophil-to-Monocyte Ratio (NMR)
- New Global Definition of ARDS (2024)
- New Katagiri Score (Skeletal Metastasis Survival)
- New Orleans Head Trauma Criteria
- NEWS2 (National Early Warning Score 2)
- NEXUS Chest (blunt chest-trauma imaging)
- NEXUS Chest CT (blunt trauma)
- NEXUS Head CT Instrument (Adult)
- NHSN CAUTI Definition
- NHSN CLABSI Definition
- NHSN Ventilator-Associated Event (VAE)
- NI-RADS Category (Head & Neck Surveillance)
- NICE Classification (NBI Colorectal Lesion)
- NICHD fetal heart rate category (I, II, III)
- NIH Stroke Scale
- NIH-CPSI (Chronic Prostatitis Symptom Index)
- NIOSH Lifting Equation
- NIPS (Neonatal Infant Pain Scale)
- Nitrox Equivalent Air Depth (EAD)
- Nitrox Maximum Operating Depth (MOD)
- No-Apnea OSA Screen
- Nohria-Stevenson Profiles (Acute Heart Failure)
- Norton Scale + PUSH Tool
- Norwood Scale (Male-Pattern Hair Loss)
- NoSAS Score (OSA screen)
- NOSE Scale (Nasal Obstruction)
- Nottingham Histologic Grade (Breast Cancer)
- Nottingham Prognostic Index (Breast Cancer)
- NPIAP Pressure Injury Staging
- NRS-2002 (Nutrition Risk Screening 2002)
- nSOFA (Neonatal Sequential Organ Failure Assessment)
- Nu-DESC (Nursing Delirium Screening Scale)
- Nugent Score (Bacterial Vaginosis Gram Stain)
- Nunley-Vertullo Classification (Midfoot Sprain)
- Nurick Grade (cervical spondylotic myelopathy)
- NUTRIC Score (nutritional risk in critically ill)
- NYHA Functional Classification (Heart Failure)
- Nyhus Classification (Groin Hernia)
- O-RADS US v2022 Category (Ovarian-Adnexal Mass)
- OABSS (Overactive Bladder Symptom Score)
- Oakland Score (lower GI bleeding safe discharge)
- OASIS (Oxford Acute Severity of Illness Score)
- Obesity Hypoventilation Syndrome (2019 ATS)
- Occupational HIV Exposure (PEP decision)
- Occupational Noise Exposure Limits
- Ocular Trauma Score (Visual Outcome After Eye Injury)
- OESIL Risk Score (syncope 12-month mortality)
- Ogilvy-Carter Aneurysm Grading
- Oldenburg Burnout Inventory (OLBI)
- ONKOTEV Score (Cancer-Associated VTE Risk)
- ONLS (Overall Neuropathy Limitations Scale)
- Onychomycosis Severity Index (OSI)
- Opioid Risk Tool (ORT)
- ORBIT Bleeding Score
- OSDI (Ocular Surface Disease Index)
- OST / ORAI Osteoporosis DXA Pre-Screen
- Osteoporosis Self-Assessment Tool (OST)
- Oswestry Disability Index (ODI)
- Ottawa Ankle Rules
- Ottawa Bowel Preparation Scale (Colonoscopy)
- Ottawa COPD Risk Scale
- Ottawa Heart Failure Risk Scale (OHFRS)
- Ottawa Knee Rule
- Ottawa Subarachnoid Hemorrhage Rule
- Outerbridge Cartilage Grade (0-IV)
- Oxford MEST-C (IgA Nephropathy Biopsy)
- P-POSSUM (Portsmouth-recalibrated mortality)
- PADIT Score (Cardiac Device Infection Risk)
- Padua Prediction Score (VTE risk in medical inpatients)
- PADUA renal-tumor complexity score
- PAGE-B Score (HCC Risk in Chronic Hepatitis B)
- PAINAD (Pain Assessment in Advanced Dementia)
- Palliative Performance Scale (PPSv2)
- Palliative Prognostic Index (PPI)
- Palliative Prognostic Score (PaP)
- Pan-Immune-Inflammation Value (PIV)
- PANC 3 Score (Severe Acute Pancreatitis at Admission)
- Papile Grade (Germinal Matrix / IVH)
- Paris Classification (Superficial GI Lesions)
- Parks Classification (Anal Fistula)
- PASI (Psoriasis Area and Severity Index)
- PASS (pediatric asthma severity)
- PASS (Pheochromocytoma Histologic Score)
- Patient-Prosthesis Mismatch (Indexed Effective Orifice Area)
- Pauwels Classification (Femoral Neck Fracture)
- PBAC (Pictorial Blood Loss Assessment Chart)
- PC-PTSD-5 (Primary Care PTSD Screen for DSM-5)
- PCDAI (Pediatric Crohn Disease Activity Index)
- Peak Flow Action-Plan Zones
- Pearl Index (Contraceptive Failure Rate)
- Pederson Difficulty (Third Molar)
- Pediatric Early Warning Score (PEWS)
- Pediatric Glasgow Coma Scale
- Pediatric SOFA (pSOFA)
- Pediatric Trauma Score (Tepas)
- Pediatric Ulcerative Colitis Activity Index (PUCAI)
- PEDIS Classification and Score (Diabetic Foot)
- PEGeD (graduated D-dimer rule)
- PELD (pediatric end-stage liver disease)
- PELOD-2 (pediatric organ dysfunction)
- PEN-FAST Penicillin Allergy Rule
- Penetrating Neck Trauma Zones (I-III)
- Penetration-Aspiration Scale (Swallow Study)
- PERC Rule (PE rule-out)
- Percent Platelet Recovery (PPR)
- Percent Tissue Altered (LASIK Ectasia Risk)
- Periprocedural Anticoagulant Bridging
- Peritoneal Cancer Index (Sugarbaker PCI)
- PESI (Pulmonary Embolism Severity Index)
- PEST (Psoriatic Arthritis Screening Tool)
- PFDI-20 (Pelvic Floor Distress Inventory)
- PFIQ-7 (Pelvic Floor Impact Questionnaire)
- Pfirrmann Disc Degeneration Grade
- PHASES Score (aneurysm rupture risk)
- Philadelphia Criteria (febrile infant)
- Phoenix Sepsis Score (pediatric)
- PHQ-15 Somatic Symptom Severity
- PHQ-2 / GAD-2 ultra-brief screeners
- PHQ-9 Depression Screener
- PI-LL Mismatch (Spinopelvic Alignment)
- PI-RADS v2.1 (Prostate MRI Assessment)
- PIM3 (Paediatric Index of Mortality 3)
- Pipkin Classification (Femoral Head Fracture)
- PIPP (Premature Infant Pain Profile)
- Pirani Score (Clubfoot Severity)
- PIT (Prognostic Index for PTCL-U)
- Pitt Bacteremia Score
- Pittsburgh Knee Rules (knee-radiograph indication)
- PLAN Score (Stroke 30-Day Mortality)
- Plaque Control Record
- PLASMIC score (TTP / ADAMTS13 probability)
- Platelet-to-Lymphocyte Ratio (PLR)
- Pneumothorax Size (Collins Method)
- POEM (Patient-Oriented Eczema Measure)
- Pollock-Flickinger Score (AVM Radiosurgery Outcome)
- POP Scale (Organophosphate Poisoning Severity)
- POP-Q Staging
- POSAS Observer Scale (Scar Assessment)
- POSAS Patient Scale (Scar Assessment)
- POSEIDON Classification (Low-Prognosis Patients in ART)
- POSPOM (preoperative postoperative-mortality score)
- POSS (Pasero Opioid-induced Sedation Scale)
- POSSUM (operative morbidity & mortality)
- Post-Paracentesis Albumin
- Post-Polypectomy Surveillance Interval
- POUND (migraine likelihood)
- POVOC Pediatric Postoperative Vomiting Score
- Prague C&M Criteria (Barrett Esophagus)
- PRAM (pediatric asthma severity)
- Predicted 6-Minute Walk Distance
- Preoperative Fasting Intervals
- PREVENT 2023 10-year CVD Risk (race-free)
- Priapism Cavernous Blood Gas Classification
- PRIMA-PI (Follicular Lymphoma Prognostic Index)
- Primary Mitral Regurgitation Stages A to D
- PRISMA-7 (frailty case-finder)
- PROPKD Score (Renal Survival in ADPKD)
- Prostate Health Index (phi)
- PROTECHT Score (Cancer-Associated VTE Risk)
- PSI / PORT (pneumonia severity)
- PSS-10 (Perceived Stress Scale)
- PTSD Checklist for DSM-5 (PCL-5, 20-item)
- Pulmonary Hypertension Hemodynamics (2022)
- Pulmonary Oxygen Toxicity Units (OTU)
- PULP Score (Peptic Ulcer Perforation Mortality)
- PUQE-24 (Nausea and Vomiting of Pregnancy)
- PUSH Tool (Pressure Ulcer Scale for Healing)
- qSOFA / SOFA
- Quick COVID-19 Severity Index (qCSI)
- Quick Pitt (qPitt) Bacteremia Score
- QuickDASH (Upper-Limb Disability)
- Quintero Staging (Twin-Twin Transfusion)
- R-Factor (Drug-Induced Liver Injury Pattern)
- R.E.N.A.L. nephrometry score (renal mass)
- RABT Score (massive transfusion 0-4 rule)
- RACE (Rapid Arterial oCclusion Evaluation)
- RACHS-1 (Congenital Heart Surgery Risk Category)
- Rai Staging (CLL)
- Ramsay Sedation Scale
- Ranawat Classification (Rheumatoid Cervical Myelopathy)
- Randleman Ectasia Risk Score System
- Ranson / BISAP (acute pancreatitis)
- RAPID Score (pleural infection)
- RAPID3 (RA patient-reported activity)
- Rassi Score for Chagas Heart Disease
- Rastelli Classification (Complete AVSD)
- Rate-Pressure Product (Double Product)
- RDAI / Tal Bronchiolitis Severity
- RDW Index / RDWI (Thalassemia vs Iron Deficiency)
- Refeeding Syndrome Risk (NICE CG32)
- Reference change value (serial lab results)
- Reflux Finding Score (RFS)
- Reflux Symptom Index (RSI)
- Regan-Morrey Classification (Coronoid Fracture)
- RegiSCAR Score for DRESS
- Reid Classification (Bronchiectasis)
- Reimers Migration Percentage (Hip)
- Relative Fat Mass (RFM)
- REMS (Rapid Emergency Medicine Score)
- Renal Angina Index (Predicting Severe AKI in Children)
- Renal Failure Index (RFI)
- Renal Tubular Acidosis Typing (1, 2, 4)
- RESP Score (Respiratory ECMO Survival)
- Restless Legs Syndrome Criteria
- REVEAL Lite 2 (PAH risk)
- Revised ASRM Stage (Endometriosis, from a Total)
- Revised Atlanta Severity (Acute Pancreatitis)
- Revised Baux Score (Burn Mortality with Inhalation)
- Revised Bethesda Guidelines (MSI Testing)
- Revised Cardiac Risk Index (RCRI, Lee)
- Revised Ghent Nosology (Marfan Syndrome)
- Revised IPI (R-IPI) for DLBCL
- Revised IPSET-thrombosis (essential thrombocythemia)
- Revised IPSS-R (myelodysplastic syndromes)
- Revised ISS (R-ISS) for multiple myeloma
- Revised McGeer surveillance definitions (LTC infection)
- Revised Tokuhashi Score (metastatic spine prognosis)
- Reynolds Risk Score (hsCRP + family history)
- Richmond Agitation-Sedation Scale (RASS)
- Ridley-Jopling Classification (Leprosy Spectrum)
- RIFLE criteria (AKI staging)
- Riker Sedation-Agitation Scale (SAS)
- RIPASA Score (Appendicitis)
- Risk of Malignancy Index (RMI I/II/III)
- Risser Sign (Skeletal Maturity)
- Rivermead Mobility Index
- Robarts Histopathology Index (Ulcerative Colitis)
- Robinson-Fleming CRL Dating
- Robson Ten-Group Classification (cesarean audit)
- Rochester Criteria (febrile infant)
- Rockall Score (upper GI bleeding)
- Rockwood Classification (Acromioclavicular Joint Injury)
- Roland-Morris Disability Questionnaire
- ROMA (Risk of Ovarian Malignancy Algorithm)
- Rome IV Criteria for Irritable Bowel Syndrome
- Rome Proposal (COPD Exacerbation Severity)
- Romhilt-Estes LVH Point Score
- ROP Stage (Retinopathy of Prematurity)
- RoPE Score (Risk of Paradoxical Embolism)
- ROSE Rule (syncope 1-month serious outcome)
- ROSIER (Recognition of Stroke in the Emergency Room)
- Ross Classification (Pediatric Heart Failure)
- Rotterdam CT Score (Traumatic Brain Injury)
- Rotterdam PCOS Criteria
- RUCAM (Drug- and Herb-Induced Liver Injury Causality)
- RUDAS (Rowland Universal Dementia Assessment Scale)
- Ruedi-Allgower Classification (Tibial Pilon Fracture)
- Russe Classification (Scaphoid Fracture)
- Russell-Taylor Classification (Subtrochanteric Fracture)
- Rutgeerts Score (post-op Crohn’s recurrence)
- Rutherford Category / Fontaine Stage (PAD)
- S.T.O.N.E. nephrolithometry (PCNL complexity)
- SAAG (Serum-Ascites Albumin Gradient)
- SAD PERSONS Scale (Suicide Risk Screen)
- Sade Grade (Tympanic Membrane Retraction)
- Salicylate Poisoning + EXTRIP Hemodialysis Indication
- SALT (Severity of Alopecia Tool)
- Salter-Harris Classification (physeal fracture)
- Salzburg Criteria for Nonconvulsive Status Epilepticus
- SAMe-TT2R2 (VKA Anticoagulation Control)
- Samilson-Prieto Grade (Shoulder Dislocation Arthropathy)
- San Francisco Syncope Rule (CHESS)
- Sanders Classification (Calcaneal Fracture)
- Sano Score (IVIG Resistance, Kawasaki)
- SAPS II (Simplified Acute Physiology Score II)
- SARC-CalF (SARC-F + calf circumference)
- SARC-F (sarcopenia screen)
- Sarnat Staging (Neonatal HIE)
- Savary-Miller Classification (Reflux Esophagitis)
- SAVE Score (Survival After Veno-arterial ECMO)
- SBS (State Behavioral Scale, pediatric ICU)
- Scadding Stage (Sarcoidosis Chest Radiograph)
- SCAI SHOCK Cardiogenic-Shock Stage
- Scale for Contraversive Pushing (Pusher Behavior)
- SCAP Score (Severe Community-Acquired Pneumonia)
- Schatzker Classification (tibial plateau)
- Schenck Classification (Knee Dislocation)
- Schobinger Staging (Peripheral AVM)
- Schwab & England ADL Scale (Parkinson)
- SCOFF (eating-disorder screen)
- SCORAD (SCORing Atopic Dermatitis)
- SCORE2 (ESC 2021, 10-year CVD risk, age 40-69)
- SCORE2-OP (ESC 2021, 10-year CVD risk, age >= 70)
- SCORTEN (Toxic Epidermal Necrolysis Severity)
- SDAI (Simplified Disease Activity Index, rheumatoid arthritis)
- Second-Revision ISS (R2-ISS) for multiple myeloma
- Secondary Mitral Regurgitation Stages A to D
- SEDAN Score (post-tPA symptomatic ICH)
- Seddon-Sunderland Nerve Injury Classification
- Seinsheimer Classification (Subtrochanteric Fracture)
- SeLECT Score (Late Post-Stroke Epilepsy)
- Sepsis in Obstetrics Score (SOS)
- Sepsis-Induced Coagulopathy (SIC) Score
- Serotonin Toxicity (Hunter Criteria)
- SES-CD (Crohn's endoscopic score)
- Severin Classification (DDH Radiographic Outcome)
- Severity of Dependence Scale (SDS)
- sFlt-1/PlGF Ratio (Preeclampsia Rule-out / Rule-in)
- SFU Grade (Hydronephrosis)
- Shaffer Gonioscopy Angle Grade
- Shanghai Score System (Brugada Syndrome Diagnosis)
- Shine & Lal Index
- Shock Index, Pediatric Age-Adjusted (SIPA)
- Shorr Score (MRSA Pneumonia Risk)
- Short Michigan Alcoholism Screening Test (SMAST)
- Short Physical Performance Battery (SPPB)
- Sievers Classification (Bicuspid Aortic Valve)
- Siewert Classification (GEJ Adenocarcinoma)
- Sigma metric (laboratory method performance)
- Silness-Loe Plaque Index
- Simon Broome Criteria (Familial Hypercholesterolemia)
- Simple Clinical Colitis Activity Index (SCCAI)
- Simple Shoulder Test (SST)
- Simplified Autoimmune Hepatitis Criteria
- Simplified Revised Geneva Score (PE)
- Simpson Grade (Meningioma Resection)
- Simpson-Angus Scale (Drug-Induced Parkinsonism)
- SINBAD Diabetic Foot Ulcer Score
- Sirdah Index (Thalassemia vs Iron Deficiency)
- SIRS Criteria (with Sepsis-3 context)
- SITS-SICH (Symptomatic ICH After Alteplase)
- SLEDAI-2K (SLE Disease Activity Index 2000)
- Sleep Apnea Clinical Score (SACS, Flemons)
- Sleep Efficiency Index
- SLICC 2012 SLE Classification Criteria
- SLUMS Exam (St. Louis University Mental Status)
- SMART-COP (CAP severity)
- SNAPPE-II
- SNAQ (Simplified Nutritional Appetite Questionnaire)
- SNOT-22 (Sino-Nasal Outcome Test)
- SOAR Score (Stroke Mortality)
- SOF Frailty Index
- Sokal / ELTS Risk Scores (CML)
- SORT (Surgical Outcome Risk Tool, 30-day Mortality)
- SOS (Sophia Observation withdrawal Symptoms)
- SOWS (Short Opiate Withdrawal Scale)
- SOWS (Subjective Opiate Withdrawal Scale, Handelsman)
- SPADI (Shoulder Pain and Disability Index)
- SPAN-100 Index (Age + NIHSS Stroke Prognosis)
- Spaulding Classification (Device Reprocessing)
- sPESI (Simplified PESI)
- Spetzler-Martin AVM Grade (+ Lawton-Young)
- Spetzler-Ponce Classification (Cerebral AVM)
- Spherical Equivalent
- Spigelman Stage (Duodenal Polyposis in FAP)
- Spinal Epidural Abscess Decision Guideline
- Spinal Instability Neoplastic Score (SINS)
- SPISE (Insulin Sensitivity Estimator)
- Spitz Classification (Esophageal Atresia)
- Srivastava Index (Thalassemia vs Iron Deficiency)
- SSIGN Score (RCC Cancer-Specific Survival)
- Stamey Grade (Stress Urinary Incontinence)
- STarT Back Screening Tool (low back pain risk)
- Steinberg Staging (Femoral Head AVN)
- Steinbrocker Functional Class (Rheumatoid Arthritis)
- Step-by-Step Approach (febrile infant)
- Sternbach Criteria (Serotonin Syndrome)
- STESS (status epilepticus severity)
- STONE score (ureteral stone)
- STOP-BANG OSA Screen
- Strasberg Classification (Bile Duct Injury)
- STRATIFY (inpatient falls-risk tool)
- Stulberg Classification (Perthes Residual Deformity)
- Subaxial Cervical Spine Injury Classification (SLIC)
- Subjective Global Assessment (SGA, Detsky)
- SUN Anterior Chamber Cell Grade (Uveitis)
- SUN Anterior Chamber Flare Grade (Uveitis)
- Sunnybrook Facial Grading System
- Surgery Timing After Coronary Stenting
- Surgical Apgar Score (intraoperative outcome)
- Surgical Risk Scale (Sutton)
- SVS WIfI Limb-Threat Classification
- Systemic Immune-Inflammation Index (SII)
- Systemic Inflammation Response Index (SIRI)
- TACO vs TRALI
- Talcott Rules (Febrile Neutropenia Risk)
- Tanner Staging (Sexual Maturity Rating)
- TASH Score (massive transfusion probability)
- Tegner Activity Scale (Knee)
- Termination of Resuscitation Rule (BLS / ALS)
- Testicular Volume (Lambert)
- THI (Tinnitus Handicap Inventory)
- Thompson Score (Neonatal Encephalopathy)
- Thompson-Epstein Classification (Posterior Hip Dislocation)
- Thoracolumbar Injury Classification & Severity (TLICS)
- THRIVE Score (stroke outcome)
- Thwaites Index (Tuberculous vs Bacterial Meningitis)
- Tile Classification (Pelvic Ring Injury)
- TIMI Risk Score (UA / NSTEMI)
- TIMI Risk Score for STEMI (Morrow)
- Tinetti POMA (mobility & gait)
- Tisdale Risk Score for QT Prolongation
- Todani Classification (Choledochal Cyst)
- Tomita Score (spinal-metastasis surgical strategy)
- Tonnis Classification (Hip Osteoarthritis)
- Torg-Pavlov Ratio (Cervical Stenosis)
- Toronto HCC Risk Index (THRI)
- Toxic Alcohol: Osmolar Gap + Fomepizole Indication
- Tp-e/QT Ratio
- Transfusion threshold (AABB 2023 restrictive)
- Traynelis Classification (Atlanto-Occipital Dislocation)
- Tricuspid Regurgitation Stages A to D
- Triple I Framework (Intraamniotic Infection)
- Truelove & Witts UC Severity
- Tscherne Classification (Closed-Fracture Soft Tissue)
- Tumor Lysis Syndrome (Cairo-Bishop grading)
- TWIST score (testicular torsion)
- TWSTRS Severity Subscale (Cervical Dystonia)
- UAS7 (Urticaria Activity Score over 7 Days)
- UCEIS (UC endoscopic severity)
- UCSF Criteria (HCC Liver Transplant)
- UISS (UCLA Integrated Staging System, RCC)
- University of Texas Diabetic Foot Wound Classification
- Up-to-Seven Criteria (HCC Liver Transplant, Metroticket)
- Urinary Calcium (Spot Ca/Cr + 24-hour Excretion)
- Ursodeoxycholic acid response criteria (PBC)
- US Navy Body-Fat Estimate
- VACS Index 1.0 (HIV mortality)
- Vaizey Score (St Marks Fecal Incontinence)
- Van Herick Angle Grade
- Van Nuys Prognostic Index (USC/VNPI, DCIS)
- Vancouver Classification (Periprosthetic Femoral Fracture)
- Vancouver Scar Scale (VSS)
- VASI (Vitiligo Area Scoring Index)
- VASOGRADE (Delayed Cerebral Ischemia After aSAH)
- Vaughan Williams Antiarrhythmic Classification
- VBAC Success Calculator (Grobman, race-free 2021)
- Venous Clinical Severity Score (VCSS)
- Vereckei aVR Algorithm (VT vs SVT)
- Vertex Distance Power Conversion
- Vesicoureteral Reflux Grade (VCUG)
- Vesikari Score (Gastroenteritis Episode Severity)
- VExUS grade (venous excess ultrasound)
- VHWG Grade (Ventral Hernia SSO Risk)
- Villalta Scale (Post-Thrombotic Syndrome)
- Virginia Radiosurgery AVM Scale (VRAS)
- VIRSTA Score (IE Risk in S. aureus Bacteremia)
- Visceral Adiposity Index (VAI)
- Voice Handicap Index-10 (VHI-10)
- VTE-BLEED Bleeding Risk (on anticoagulation)
- Vulnerable Elders Survey-13 (VES-13)
- Wagner Diabetic Foot Ulcer Grade
- Waist-to-Height Ratio (WHtR)
- Walch Classification (Glenoid Morphology, OA)
- Waldenstrom Staging (Legg-Calve-Perthes)
- Walter Index (1-Year Mortality After Hospitalization)
- Wang Bronchiolitis Respiratory Score
- Wassel Classification (Thumb Polydactyly)
- WAT-1 (pediatric iatrogenic withdrawal)
- Wayne Index (Clinical Diagnosis of Thyrotoxicosis)
- Weighted Glasgow 7-Point Checklist (Melanoma)
- Weiss System (Adrenocortical Carcinoma)
- Wells DVT and Caprini VTE Risk
- Wells PE & Revised Geneva (PE)
- Wells Score for DVT
- Wells Score for PE
- West Haven HE grade (hepatic encephalopathy)
- Westley Croup Score
- Wet-Bulb Globe Temperature (WBGT)
- Wexner Fecal Incontinence Score (Cleveland Clinic)
- White-Song Fast-Track Recovery
- WHO 2009 Dengue Case Classification
- WHO Criteria (Systemic Mastocytosis)
- WHO Grade (Neuroendocrine Neoplasm, Ki-67 and mitoses)
- WHO Grades of Hearing Loss
- WHO Oral Mucositis Grade
- WHO Severe Malaria Criteria
- WHO/FIGO Prognostic Score (GTN)
- WHO/ISUP Nucleolar Grade (Renal Cell Carcinoma)
- Widmark Blood-Alcohol Estimate
- Wilkins Mitral Valve Echo Score
- Wilson Risk Sum Score (difficult intubation)
- Wiltse Classification (Spondylolisthesis)
- Wind Chill Index
- Winquist-Hansen Classification (Femoral Shaft)
- WPSS (WHO Prognostic Scoring System for MDS)
- Yale Observation Scale (YOS)
- Yale-Brown Obsessive Compulsive Scale (Y-BOCS)
- Yamaguchi Criteria (Adult-Onset Still Disease)
- YEARS algorithm for pulmonary embolism
- Yerdel Grade (Portal Vein Thrombosis)
- Young Mania Rating Scale (YMRS)
- Young-Burgess Classification (Pelvic Ring)
- Zabramski Classification (Cerebral Cavernous Malformation)
- Zargar Classification (Caustic Injury)
- Zulewski Clinical Score (Hypothyroidism)
- Zwolle Primary-PCI Risk Score
Medication & Infusion 63
- Acetaminophen (Rumack-Matthew) nomogram
- Acetaminophen 24-Hour Total & Ceiling
- Acetaminophen NAC IV Dosing
- Antibiotic Renal Dose Adjustment
- Anticoagulation Reversal Dose
- Antipsychotic Chlorpromazine Equivalents
- Beers Criteria deprescribing checker (AGS 2023)
- Benzodiazepine Dose Equivalence (tapering converter)
- Benzodiazepine Equivalence (Ashton)
- Calcium replacement (gluconate / chloride + elemental Ca)
- Carb-counting mealtime insulin bolus
- Carboplatin Dose (Calvert formula + FDA GFR cap)
- Concentration / percent / ratio converter
- Concentration-to-Rate
- CRRT effluent dose + citrate-Ca ratio
- Digoxin Immune Fab (DigiFab) Dosing
- Digoxin maintenance dose + level interpretation
- Drip Rate Calculator
- ECMO sweep / flow titration helper
- Electrolyte replacement ladder (K / Mg / Phos)
- Electrolyte-Free Water Clearance
- Enoxaparin Dose (weight & renal)
- Enteral Free-Water & Flush Target
- Extended-interval aminoglycoside (Hartford)
- Gage pharmacogenomic warfarin dose
- Glucose Infusion Rate (GIR, mg/kg/min)
- High-Dose Insulin Euglycemia (HIET) Dosing
- ICU Energy & Protein Target
- Infusion Time Remaining & Rate-to-Last
- Insulin correction (ADA 2024 ISF / ICR)
- Insulin Drip Math
- Ireton-Jones Energy Equation
- Iron Deficit Calculator (Ganzoni)
- IV / PN osmolarity + central-line flag
- IWPC pharmacogenetic warfarin dose
- Local anesthetic maximum dose
- Magnesium repletion estimate
- Magnesium sulfate (preeclampsia / eclampsia)
- Maximum Allowable Blood Loss (ABL)
- Nitrogen Balance (nutrition support)
- Norepinephrine-Equivalent Vasopressor Dose
- Opioid Equianalgesic Conversion (rotation calculator)
- Opioid MME Calculator (CDC 2022)
- Oxygen Cylinder Duration & Max Transport Flow
- PCA pump settings + hourly-maximum guardrail
- Pediatric dehydration deficit + maintenance
- Pediatric Quick-Dose Panel (by weight)
- Pediatric resuscitation bolus
- Penn State Equation (ventilated REE)
- Pharmacokinetics Suite (loading / maintenance / half-life)
- Potassium deficit + replacement guidance
- Procedural sedation dosing (ketamine/propofol)
- Steroid Equivalence Converter
- Sugammadex reversal dose
- TCA Toxicity: QRS Risk & Bicarbonate Target
- TmP/GFR (Renal Phosphate Threshold)
- TPN Macronutrient Calculator
- Vancomycin AUC24/MIC (first-order, two-level)
- Vasopressor Dose to Rate Calculator
- Warfarin 10 mg initiation nomogram (Kovacs)
- Warfarin 5 mg initiation nomogram (Crowther)
- Weight-Based Dose
- Weight-based heparin infusion nomogram
Pediatrics & Neonatal 17
- Bhutani bilirubin nomogram + AAP phototherapy
- Downes score (neonatal respiratory distress)
- Finnegan Neonatal Abstinence Score (NAS)
- Neonatal Feeding Volume (mL/kg/day)
- Neonatal Phototherapy Threshold (AAP 2022)
- New Ballard Score (gestational age)
- Oxytocin mU/min <-> mL/hr
- PECARN Intra-Abdominal Injury Rule
- PECARN Pediatric C-Spine Rule
- PECARN Pediatric Head Injury Rule
- Pediatric / neonatal PRBC transfusion volume
- Pediatric Weight Converter (lb/oz <-> kg)
- Quantitative blood loss + PPH risk
- Rh immune globulin dose (fetomaternal hemorrhage)
- Silverman-Andersen respiratory severity
- Time-to-Dose Helper
- Universal Unit Converter (lab + vitals + basics)
Immunization & Infectious Disease 5
EMS & Field Medicine 21
- AVPU ↔ GCS Quick Reference
- Burn Fluid Resuscitation Calculator
- Cauchy Frostbite Classification
- CO / Cyanide / Smoke-Inhalation Antidotes
- Drug Concentration to Volume (draw-up)
- EMS Documentation Helper
- FAST and BE-FAST Stroke Assessment
- Heat exhaustion vs heat stroke + cooling algorithm
- JumpSTART Pediatric MCI Triage
- Lake Louise Acute Mountain Sickness (AMS) Score
- Naloxone Dosing Calculator
- NEXUS + Canadian C-Spine
- Pediatric ETT Size Calculator
- Pediatric Vital Signs Reference (PALS)
- Pediatric Weight Estimate (APLS)
- Pediatric Weight-to-Dose Calculator
- Snakebite Severity Score (SSS)
- START Adult MCI Triage
- Swiss hypothermia staging + rewarming algorithm
- Szpilman Drowning Classification
- Trauma Triage Decision Tool (CDC)
Workflow & Documentation 26
- ABO/Rh blood-product compatibility quick-check
- Appointment Prep Question Generator
- Bristol stool type + abdominal-girth trend
- Code-blue documentation timer (AHA 2020)
- Discharge Instruction Template
- FMEA Risk Priority Number
- Foley / central-line device-day counter (CDC)
- HIPAA Authorization Form Generator
- HIPAA Breach 60-Day Notification Clock
- HOSPITAL Score for 30-Day Readmission
- I-PASS Handoff Structure
- Just Culture behavior and response
- LACE Index for 30-Day Readmission / Death
- Massive Transfusion 1:1:1 ratio tracker (PROPPR)
- Medication Wallet Card Generator
- NEWS2 / MEWS escalation + re-assessment timer
- NPIAP pressure injury stage selector
- Prior Authorization Checklist Generator
- Restraint reassessment timer (CMS 42 CFR 482.13)
- ROI Request Generator
- SBAR Handoff Template Generator
- SBT readiness + ARDSnet PEEP/FiO2 table
- Specialty-Visit Question Generator
- Surviving Sepsis bundle timer + lactate clearance
- VIP + INS infiltration / extravasation grading
- WHO Surgical Safety Checklist phases
Billing & Coding 3
Billing & Reimbursement 25
- 835 / EOB Remittance Balancing
- Anesthesia Units (Base + Time + Modifying x CF)
- Assistant / Co- / Team-Surgeon Payment
- Bilateral (Modifier 50) Payment by Indicator
- Critical Care Time (99291 + 99292 Units)
- Drug Wastage (JW / JZ Units, Single-Dose Vial)
- E/M MDM Level by Setting (2023, all places of service)
- Global Surgery Period & Required Modifier
- HCPCS Drug Billing Units (Dose -> Units)
- ICD-10-CM Structural & Specificity Checker
- Infusion Hierarchy (Initial Code Picker, 96360-96379)
- IPPS DRG Payment Estimate
- Medicare 2% Sequestration Adjustment
- Medicare Beneficiary Identifier (MBI) Format Validator
- Modifier 59 vs XE/XS/XP/XU Selector
- MPFS Allowed Amount (RVU x GPCI x CF)
- MUE Units Adjudication (MAI 1/2/3)
- Multiple-Procedure Payment Reduction (MPPR)
- NCCI Edit & Modifier-Bypass Checker
- NPI Luhn Check-Digit Validator / Generator
- OPPS APC Payment Estimate
- Pricing vs Informational Modifier Order
- Prolonged Services (99417 / G2212 Units)
- Split / Shared Visit & FS Modifier
- Therapy Units (8-Minute Rule vs Rule of Eights)
Revenue Cycle & Utilization 1
Insurance & Patient Literacy 11
- 60-Day Overpayment Report-and-Return Clock
- Appeal Letter Generator
- Claim Timely-Filing Deadline
- Contractual Write-Off vs Patient Balance
- Coordination of Benefits & Medicare Secondary Payer
- HIPAA Right of Access Request Generator
- Lab Result Interpreter
- Medicare Appeal-Level Deadline Calculator
- Medicare Patient Cost-Share (Part A / B / SNF)
- No Surprises Act Cost-Share (QPA-Based)
- Prior-Authorization Decision-Deadline Clock