Nontuberculous Mycobacterial Lung Disease
Nontuberculous Mycobacterial Lung Disease is indexed under Infectious-Origin Chronic, Mycobacterial. Also known as NTM, MAC lung disease, Mycobacterium avium complex.
- US prevalence
- ~86,000-120,000; increasing ~8% per year Source: ATS/IDSA; NTMir. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.
- ICD-10-CM codes
- A31.0
- Typical onset
- Primarily >65; tall, thin elderly women at high risk
- Course
- managed
- Body systems
- pulmonary
- Sex differences
- F:M ~1.5-2:1 for pulmonary NTM
- Racial and ethnic differences
- Higher in white women; geographic variation (Southeast US)
What this page does not establish
These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.
Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.
Browse all indexed conditions · Source registry · Methodology · Known limitations