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Printed on 4/21/2026
For informational purposes only. This is not medical advice.
The Nutritional Risk Index (NRI) is a nutrition-related risk score used to stratify risk of complications and adverse outcomes associated with undernutrition. It is applied in hospitalized and chronic-disease settings, including older populations.
Formula: NRI is a composite nutrition-risk index where lower totals indicate higher risk.
NRI has longstanding validation in hospitalized and chronic-care populations for nutrition-related risk prediction.
Lower NRI scores indicate greater nutrition-related risk and support intensified nutrition care planning.
Use for nutrition-risk stratification when clinicians need a standardized prognostic nutrition index.
Biomarker and weight-related components can be influenced by fluid status and non-nutritional illness factors.
For related assessments, see GNRI, CONUT and MUST Score.
Disclaimer: This tool is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about your health.
A nutrition-related risk index used in older adults to stratify adverse-outcome risk.
GeriatricsA lab-based nutrition screening score (0-12) combining albumin, cholesterol, and lymphocyte components.
NutritionScreen adults for malnutrition risk using BMI, unplanned weight loss, and acute disease effect with the MUST score.
GeriatricsScreen malnutrition risk in older adults with the MNA-SF 6-item tool (score 0-14).