GLIM Criteria (Malnutrition Diagnosis)
GLIM criteria (Cederholm 2019): malnutrition requires ≥ 1 phenotypic (weight loss, low BMI, reduced muscle mass) and ≥ 1 etiologic (reduced intake, inflammation) criterion; severity is staged on the phenotypic criteria.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Phenotypic — non-volitional weight loss
- Severe (> 10% within 6 mo, or > 20% beyond)
- Etiologic — reduced intake / assimilation
- Yes
Result: Malnutrition diagnosed (GLIM) — Stage 2 (severe).
The tool opens with these values already filled in. Replace them with your own.
What the result means
- Diagnosis
- Malnutrition requires ≥ 1 phenotypic criterion (weight loss, low BMI, or reduced muscle mass) AND ≥ 1 etiologic criterion (reduced intake/assimilation, or inflammation), after a positive screen.
- Severity
- Graded on the phenotypic criteria: Stage 1 (moderate) vs Stage 2 (severe) — weight loss > 10% within 6 mo (or > 20% beyond), or BMI < 18.5 (< 20 if ≥ 70 y). A diagnostic step, not a feeding order.
What you enter
- Phenotypic — non-volitional weight loss
- Phenotypic — low BMI
- Phenotypic — reduced muscle mass (validated measure)
- Etiologic — reduced intake / assimilation
- Etiologic — inflammation / disease burden
How this is calculated
Cederholm T, Jensen GL, Correia MITD, et al. GLIM criteria for the diagnosis of malnutrition — a consensus report from the global clinical nutrition community. Clin Nutr. 2019;38(1):1-9. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.