EC90.6

ICD-11 MMS 2026-01

Pruritus of unknown cause

Description

Pruritus without identifiable cause despite thorough investigation.

Index terms

  • Pruritus of unknown cause
  • Itch of unknown cause
  • Pruritus sine materia

Exclusions from above levels

  • 6B25.1 – neurotic excoriation

Sibling codes

  • EC90.0 – Pruritus due to skin disorder
  • EC90.1 – Pruritus due to systemic disorder
  • EC90.2 – Drug-induced pruritus
  • EC90.3 – Pruritus due to neurological disorder
  • EC90.4 – Psychogenic pruritus
  • EC90.5 – Anogenital pruritus
  • EC90.Y – Pruritus of other specified type or aetiology
  • EC90.Z – Pruritus, unspecified

Foundation entity

Pruritus of unknown cause – http://id.who.int/icd/entity/837206599

Part of: EC90: Pruritus › 14: Diseases of the skin