1B21ICD-11 MMS 2026-01
Infections due to non-tuberculous mycobacteria
Description
Any condition caused by an infection with Mycobacteria excluding infections due to Mycobacterium tuberculosis complex and Mycobacterium leprae. These conditions commonly present with lung disease; however, symptoms are dependent on the site of infection. Transmission is by direct contact with non-tuberculous Mycobacteria in the environment. Confirmation is by identification of non-tuberculous Mycobacteria from the affected site(s).
Excludes
1B20– Leprosy- http://id.who.int/icd/entity/2072728114 – Tuberculosis
Exclusions from above levels
NE83.1– Infection arising from device, implant or graft, not elsewhere classified
Child codes
1B21.0– Pulmonary infection due to non-tuberculous mycobacterium1B21.1– Non-tuberculous mycobacterial lymphadenitis1B21.2– Cutaneous non-tuberculous mycobacterial infection1B21.3– Disseminated non-tuberculous mycobacterial infection1B21.4– Gastrointestinal non-tuberculous mycobacterial infection1B21.Y– Non-tuberculous mycobacterial infection of other specified site1B21.Z– Non-tuberculous mycobacterial infection of unspecified site
Sibling codes
Foundation entity
Infections due to non-tuberculous mycobacteria – http://id.who.int/icd/entity/1839818377
Allowed postcoordination axes
Part of: 01: Certain infectious or parasitic diseases