ICD-11 classes
14 Diseases of the skin
Skin disorders involving specific cutaneous structures
Disorders of the epidermis and epidermal appendages
Disorders of skin colour
EC23 — Genetic disorders of skin pigmentation

ICD-11 EC23 — Genetic disorders of skin pigmentation

Genetic disorders of the skin characterised by disordered pigmentation, including albinism and inherited forms of lentiginosis.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code EC23 contains 4 clarifying diagnoses:

1. EC23.0 — Non-syndromic genetically-determined hypermelanosis or lentiginosis
2. EC23.1 — Syndromic genetically-determined hypermelanosis or lentiginosis
   It contains 3 clarifying diagnoses.
3. EC23.2 — Albinism or other specified genetically-determined hypomelanotic disorders
   It contains 2 clarifying diagnoses.
4. EC23.Y — Other specified genetic disorders of skin pigmentation

The diagnosis is coded elsewhere:

• Genetic and developmental disorders affecting the skin #15936
• Genetic disorders of skin pigmentation #15987