Malnutrition Universal Screening Tool (MUST)

Identifies patients who are malnourished or at risk of malnutrition.

Screen patient and record response

BMI, kg/m2

BMI Calculator

> 20

18.5-20

< 18.5

Unplanned weight loss in past 3-6 months < 5% of total body weight

5-10% of total body weight

> 10% of total body weight

Patient is acutely ill and there has been or is likely to be no nutritional intake for > 5 days

No Yes

Interpretation

Source: Sharma Y, Thompson C, Kaambwa B, Shahi R, Miller M. Validity of the Malnutrition Universal Screening Tool (MUST) in Australian hospitalized acutely unwell elderly patients. Asia Pac J Clin Nutr. 2017;26(6):994-1000. doi: 10.6133/apjcn.022017.15. PMID: 28917223.