5B81.00

ICD-11 MMS 2026-01

Obesity in children or adolescents

Description

In infants, children and adolescents, BMI categories for defining obesity vary by age and gender based on WHO growth charts. Children 0 to 5 years have obesity if weight-for-length/height or BMI-for-age is above 3 standard deviations of the median of the WHO Child Growth Standards. Children aged 5 to 19 years have obesity if BMI-for-age is above 2 standard deviations of the median of WHO Growth Reference for School-aged Children and Adolescents.

Index terms

  • Obesity in children or adolescents
  • BMI-for age -[body mass index-for-age] percentile greater than 95 percent
  • morbid obesity in children or adolescents
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  • Obesity in infants or children up to 5 years of age
  • Obesity in school-aged children or adolescents from 5 to 19 years

Exclusions from above levels

  • 18 – Pregnancy, childbirth or the puerperium
  • http://id.who.int/icd/entity/1004987305 – Transitory endocrine or metabolic disorders specific to fetus or newborn

Sibling codes

Foundation entity

Obesity in children or adolescents – http://id.who.int/icd/entity/292901392

Part of: 5B81.0: Obesity due to energy imbalance › 5B81: Obesity › 05: Endocrine, nutritional or metabolic diseases