EG30.0

ICD-11 MMS 2026-01

Scalp folliculitis

Description

A non-scarring chronic superficial folliculitis of the scalp that is typically characterised by multiple minute, very itchy pustules within the scalp and which has in the past been termed acne necrotica miliaris. The cause is not well understood but an inflammatory response to Propionibacterium acnes has been postulated.

Index terms

  • Scalp folliculitis
  • Acne necrotica miliaris
  • Propionibacterium acnes folliculitis of scalp

Sibling codes

  • EG30.1 – Erosive pustular dermatosis of scalp
  • EG30.2 – Pityriasis amiantacea
  • EG30.Y – Other specified scalp disorders not elsewhere classifiable
  • EG30.Z – Skin disorders localised to the scalp, unspecified

Foundation entity

Scalp folliculitis – http://id.who.int/icd/entity/796132216

Part of: EG30: Skin disorders localised to the scalp › 14: Diseases of the skin