ICD-11 classes
14 Diseases of the skin
Skin disorders involving specific cutaneous structures
Disorders of the epidermis and epidermal appendages
Disorders of epidermal keratinisation
ED51 — Diffuse epidermal hyperkeratosis and acanthosis
ED51.0 — Acanthosis nigricans
ICD-11 ED51.0 — Acanthosis nigricans
Acanthosis nigricans is characterised by dark, thick, velvety skin in body folds and creases. It is most commonly encountered in association with obesity and type 2 diabetes though may be a component of a number of genetic syndromes. Hyperinsulinaemia and insulin resistance are important underlying factors. Acanthosis nigricans may rarely be due to underlying malignancy (paraneoplastic acanthosis nigricans).
The diagnosis includes nothing.
The diagnosis excludes nothing.
Diagnosis with code ED51.0 contains 3 clarifying diagnoses:
- ED51.00 — Benign acanthosis nigricans
- ED51.0Y — Other specified acanthosis nigricans
- ED51.0Z — Acanthosis nigricans, unspecified
The diagnosis is included in 1 another class.
- Paraneoplastic acanthosis nigricans (EL10)