Nutritional Risk Screening 2002 (NRS-2002): Clinical Guide

Clinical guide to Nutritional Risk Screening 2002 (NRS-2002) including calculation, interpretation, assumptions, limitations and references.

Screens hospital patients for nutritional risk using nutritional impairment, disease severity and age.

Overview

Screens hospital patients for nutritional risk using nutritional impairment, disease severity and age.

Clinical Significance

A score of 3 or more indicates nutritional risk and supports a nutrition care plan.

When to Use

  • Use as decision support when all required inputs are reliable.

How It Is Calculated

  • Nutritional status (0–3) + disease severity (0–3) + 1 point for age ≥70.

Interpretation

  • A score of 3 or more indicates nutritional risk and supports a nutrition care plan.

Worked Example

Enter verified values in the displayed units; MedicalC applies the published equation or point system.

Limitations

  • Prediction models may be miscalibrated outside their derivation population.
  • Measurement and classification error can materially change the result.

Clinical Pearls

  • Document source values and units with the result.
  • Use trends and the full clinical picture.

Common Mistakes

  • Wrong units.
  • Using non-contemporaneous inputs.
  • Treating the output as a diagnosis or mandatory treatment decision.

Frequently Asked Questions

What does this tool calculate?

Screens hospital patients for nutritional risk using nutritional impairment, disease severity and age.

Can the result be used alone?

No. Interpret it with the complete clinical assessment and current guidance.

References

  1. Kondrup J et al. Clin Nutr. 2003;22:321-336. — Primary or supporting reference for the implemented model.

Reviewed by: MedicalC Clinical Editorial Team
Last reviewed: July 2026

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