5B54ICD-11 MMS 2026-01
Underweight in adults
Description
Body mass index (BMI) <18.5 kg/m²
Index terms
- Underweight in adults
- Thinness in adults
- Mild thinness in adults
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- Moderate thinness in adults
- Severe thinness in adults
- marasmus in adults
Exclusions from above levels
Sibling codes
5B50– Underweight in infants, children or adolescents5B51– Wasting in infants, children or adolescents5B52– Acute malnutrition in infants, children or adolescents5B53– Stunting in infants, children or adolescents5B55– Vitamin A deficiency5B56– Vitamin C deficiency5B57– Vitamin D deficiency5B58– Vitamin E deficiency5B59– Vitamin K deficiency5B5A– Vitamin B1 deficiency5B5B– Vitamin B2 deficiency5B5C– Vitamin B3 deficiency5B5D– Vitamin B6 deficiency5B5E– Folate deficiency5B5F– Vitamin B12 deficiency5B5G– Biotin deficiency5B5H– Pantothenic acid deficiency5B5J– Choline deficiency5B5K– Mineral deficiencies5B70– Essential fatty acid deficiency5B71– Protein deficiency5B7Y– Other specified undernutrition5B7Z– Unspecified undernutrition
Foundation entity
Underweight in adults – http://id.who.int/icd/entity/1153296343
Allowed postcoordination axes
Part of: 05: Endocrine, nutritional or metabolic diseases