EC21.3

ICD-11 MMS 2026-01

Genetic syndromes with alopecia or hypotrichosis

Description

Hereditary syndromes in which sparse or absent hair is a component

Index terms

  • Genetic syndromes with alopecia or hypotrichosis

Foundation children elsewhere

  • 5C50.A0 – Argininosuccinic aciduria
  • LD27.03 – Hidrotic ectodermal dysplasia, Clouston type

Sibling codes

  • EC21.0 – Genetic defects of the hair shaft
  • EC21.1 – Genetic syndromes with abnormalities of the hair shaft
  • EC21.2 – Hereditary alopecia or hypotrichosis
  • EC21.4 – Genetically-determined hypertrichosis
  • EC21.Y – Other specified genetic defects of hair or hair growth
  • EC21.Z – Genetic defects of hair or hair growth, unspecified

Foundation entity

Genetic syndromes with alopecia or hypotrichosis – http://id.who.int/icd/entity/595701953

Part of: EC21: Genetic defects of hair or hair growth › 14: Diseases of the skin