Acanthosis nigricans

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

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).

code elsewhere

• Paraneoplastic acanthosis nigricans  (EL10)

sections/codes in this section (ED51.0-ED51.0)

• Benign acanthosis nigricans  (ED51.00)
• Other specified acanthosis nigricans  (ED51.0Y)
• Acanthosis nigricans, unspecified  (ED51.0Z)

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