ICD-11 classes
14 Diseases of the skin
Skin disorders involving specific cutaneous structures
Disorders of the epidermis and epidermal appendages
Disorders of the hair follicle

ICD-11 Disorders of the hair follicle

This group incorporates disorders of the hair shaft and hair follicular unit including, for example, hirsutism, alopecia, acne and hidradenitis suppurativa.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis contains 6 clarifying diagnoses:

1. Acne and related disorders
   It contains 2 clarifying diagnoses.
2. ED90 — Rosacea and related disorders
   It contains 3 clarifying diagnoses.
3. ED91 — Disorders of the sebaceous gland
   It contains 3 clarifying diagnoses.
4. ED92 — Disorders involving the apocrine follicular unit
   It contains 2 clarifying diagnoses.
5. 1B75.4 — Chronic deep bacterial folliculitis
   It contains 1 clarifying diagnosis.
6. ED9Y — Other specified disorders involving the hair follicle