1C1B.1

ICD-11 MMS 2026-01

Cutaneous nocardiosis

Description

Cutaneous nocardiosis may be due to direct infection of the skin where it presents either as a solitary cold abscess or as a lymphangitic process in which infection spreads up lymphatic channels to form a linear array of suppurative nodules. Skin involvement is also present in a third of cases of systemic nocardiosis.

Index terms

  • Cutaneous nocardiosis
  • nocardia abscess

Excludes

  • 1C43 – Actinomycetoma due to Nocardia species

Exclusions from above levels

  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1C1B.0 – Pulmonary nocardiosis
  • 1C1B.Y – Other specified forms of nocardiosis
  • 1C1B.Z – Nocardiosis, unspecified

Foundation entity

Cutaneous nocardiosis – http://id.who.int/icd/entity/1665504921

Part of: 1C1B: Nocardiosis › 01: Certain infectious or parasitic diseases