EA90.50

ICD-11 MMS 2026-01

Scalp psoriasis

Description

The scalp is frequently the site of initial presentation and is the commonest anatomical site to be involved by psoriasis. Morphologies range from discrete plaques to total scalp involvement with either thick plaques or scaly non-thickened areas almost identical to seborrhoeic dermatitis. Sites of predilection include the immediate post-auricular area and occiput.

Index terms

  • Scalp psoriasis

Exclusions from above levels

  • 1B72.0 – Bullous impetigo of the napkin area
  • 1F23.12 – Napkin candidosis
  • EH71 – Dermatoses precipitated by drug therapy
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  • EH76 – Dermatoses associated with specific classes of medication

Sibling codes

  • EA90.51 – Nail psoriasis
  • EA90.52 – Flexural and intertriginous psoriasis
  • EA90.53 – Anogenital psoriasis
  • EA90.5Y – Psoriasis of other specified site or distribution

Foundation entity

Scalp psoriasis – http://id.who.int/icd/entity/272177365

Part of: EA90.5: Psoriasis of specified site or distribution › EA90: Psoriasis › 14: Diseases of the skin