Nutrition Risk Screening Calculator
Screen for malnutrition risk using validated tools: NRS-2002, MUST, MNA-SF, and SGA.
Important Health Disclaimer
This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.
For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.
Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.
Not a substitute for professional medical advice
Nutrition Screening
NRS2002 Score
2
Low Risk
BMI
22.5
kg/m²
Weight Loss
7.1%
from usual
Interpretation
Rescreen weekly. If major procedure planned, consider preventive nutritional care.
Recommendations
- • Refer to registered dietitian for comprehensive assessment
- • Calculate caloric and protein requirements
- • Consider oral nutritional supplements (ONS)
- • Ensure adequate protein intake (1.2-1.5 g/kg/day for most hospitalized patients)
- • Provide micronutrient supplementation as needed
- • Consider enteral nutrition if oral intake inadequate
Screening Tool Comparison
NRS-2002: Hospitalized patients, validated in acute care
MUST: Community and hospital, quick 5-step tool
MNA-SF: Elderly patients ≥65 years, geriatric-specific
SGA: Comprehensive assessment, requires clinical judgment
Estimated Nutritional Requirements
• Calories: 1625-1950 kcal/day
• Protein: 78-98 g/day
• Fluid: 1950 mL/day (adjust for clinical status)
Disclaimer: Nutrition screening tools identify patients at risk but do not diagnose malnutrition. Patients identified as at-risk should receive comprehensive nutritional assessment by a qualified dietitian. Treatment should be individualized based on clinical condition and nutritional goals.
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