Acute Malnutrition by MUAC, WHZ and Edema, 6 to 59 Months (WHO 2023)
Classifies severe or moderate acute malnutrition in a child 6 to 59 months by the WHO 2023 definitions.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Age in months
- 18
- Edema of both feet
- None
- MUAC, in the unit given
- 118
- MUAC unit
- mm
- Weight-for-height or weight-for-length z-score
- -2.4
Result: Moderate acute malnutrition (moderate wasting), by WHZ -2.4 (−3 to below −2); MUAC 118 mm (115 to below 125), with no edema.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Age in months (6 to 59)
- Edema of both feet: none, +, ++ or +++
- MUAC, in the unit given (one of MUAC or WHZ is needed without edema)
- MUAC unit (mm default)
- Weight-for-height or weight-for-length z-score
How this is calculated
Citation
World Health Organization. WHO guideline on the prevention and management of wasting and nutritional oedema (acute malnutrition) in infants and children under 5 years. Geneva: WHO; 2023. Section 1, definitions. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.