1B21.0

ICD-11 MMS 2026-01

Pulmonary infection due to non-tuberculous mycobacterium

Description

A condition of the pulmonary system, caused by an infection with the bacteria Mycobacterium (excluding infections due to Mycobacterium tuberculosis and Mycobacterium leprae). This disease is characterised by cough, fever, weight loss, and fatigue. Transmission is by direct contact with Mycobacterium in the environment.

Index terms

  • Pulmonary infection due to non-tuberculous mycobacterium
  • atypical mycobacterium pulmonary infection
  • pulmonary mycobacterium infection
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  • pulmonary nontuberculous mycobacteriosis
  • Pulmonary infection due to Mycobacterium avium-intracellulare complex
  • Battey bacillus infection
  • Battey mycobacterial infection
  • avium mycobacterial lung infection
  • lung infection due to mycobacterium avium
  • lung infection due to mycobacterium avium-intracellulare
  • lung infection due to mycobacterium intracellulare
  • mycobacterium intracellulare lung infection
  • Pulmonary infection due to Mycobacterium kansasii
  • Mycobacterium kansasii lung infection
  • kansasii mycobacterial lung infection
  • Pulmonary infection due to Mycobacterium xenopi
  • Mycobacterium xenopi lung infection
  • Pulmonary infection due to Mycobacterium malmoense
  • Mycobacterium malmoense lung infection

Inclusions

  • Pulmonary infection due to Mycobacterium avium-intracellulare complex
  • Pulmonary infection due to Mycobacterium kansasii
  • Pulmonary infection due to Mycobacterium xenopi
  • Pulmonary infection due to Mycobacterium malmoense

Exclusions from above levels

  • 1B20 – Leprosy
  • http://id.who.int/icd/entity/2072728114 – Tuberculosis
  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1B21.1 – Non-tuberculous mycobacterial lymphadenitis
  • 1B21.2 – Cutaneous non-tuberculous mycobacterial infection
  • 1B21.3 – Disseminated non-tuberculous mycobacterial infection
  • 1B21.4 – Gastrointestinal non-tuberculous mycobacterial infection
  • 1B21.Y – Non-tuberculous mycobacterial infection of other specified site
  • 1B21.Z – Non-tuberculous mycobacterial infection of unspecified site

Foundation entity

Pulmonary infection due to non-tuberculous mycobacterium – http://id.who.int/icd/entity/1798822437

Allowed postcoordination axes

Part of: 1B21: Infections due to non-tuberculous mycobacteria › 01: Certain infectious or parasitic diseases