World Health Organization · 2026-01 · English
1B21 Infections due to non-tuberculous mycobacteria
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
1B21.0Pulmonary infection due to non-tuberculous mycobacterium1B21.1Non-tuberculous mycobacterial lymphadenitis1B21.2Cutaneous non-tuberculous mycobacterial infection1B21.3Disseminated non-tuberculous mycobacterial infection1B21.4Gastrointestinal non-tuberculous mycobacterial infection1B21.YNon-tuberculous mycobacterial infection of other specified site1B21.ZNon-tuberculous mycobacterial infection of unspecified site© World Health Organization · CC BY-ND 3.0 IGO