Elixhauser Comorbidity Index (van Walraven)
Elixhauser comorbidity index with van Walraven weighting: a single mortality-weighted score summed over 29 comorbidity flags.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Congestive heart failure
- Yes
- Metastatic cancer
- Yes
- Obesity
- Yes
Result: Elixhauser / van Walraven score 15 across 3 conditions — higher predicted mortality.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- Weighting
- Each present condition adds its signed van Walraven weight (range −7 to +12); nine conditions weight 0.
- Meaning
- A higher total predicts higher in-hospital mortality; a complement to the Charlson index.
What you enter
- Congestive heart failure
- Cardiac arrhythmias
- Valvular disease
- Pulmonary circulation disorders
- Peripheral vascular disease
- Hypertension
- Paralysis
- Other neurological disorders
The other 21 fields
- Chronic pulmonary disease
- Diabetes (uncomplicated or complicated)
- Hypothyroidism
- Renal failure
- Liver disease
- Peptic ulcer disease excluding bleeding
- HIV / AIDS
- Lymphoma
- Metastatic cancer
- Solid tumor without metastasis
- Rheumatoid arthritis / collagen vascular
- Coagulopathy
- Obesity
- Weight loss
- Fluid and electrolyte disorders
- Blood-loss anemia
- Deficiency anemia
- Alcohol abuse
- Drug abuse
- Psychoses
- Depression
How this is calculated
Elixhauser A, Steiner C, Harris DR, Coffey RM. Comorbidity measures for use with administrative data. Med Care. 1998;36(1):8-27. Weights: van Walraven C, Austin PC, Jennings A, Quan H, Forster AJ. Med Care. 2009;47(6):626-633. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.