World Health Organization · 2026-01 · English
EC23 Genetic disorders of skin pigmentation
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
EC23.0Non-syndromic genetically-determined hypermelanosis or lentiginosisEC23.1Syndromic genetically-determined hypermelanosis or lentiginosisEC23.2Albinism or other specified genetically-determined hypomelanotic disordersEC23.YOther specified genetic disorders of skin pigmentationEC23.ZGenetic disorders of skin pigmentation, unspecified© World Health Organization · CC BY-ND 3.0 IGO