Table I.

Common non-tuberculous mycobacteria (NTM) species causing human diseases

Slowly growing NTM (showing growth in ≥7 days on subculture)

1. Photochromogens (produce pigment on exposure to light) Mycobacterium kansasii

M. marinum

2. Scotochromogens (produce pigment when grown in dark)

M. scrofulaceum

3. Non-chromogens (growth not pigmented)

M. avium complex (MAC)

M. avium

M. intracellulare

M. chimaera

M. ulcerans

M. xenopi

M. simiae

M. malmoense

M. szulgai

M. haemophilum

Rapidly growing NTM (showing growth in <7 days on subculture)

M. abscessus

M. abscessus subspecies abscessus

M. abscessus subspecies bolletii

M. abscessus subspecies massiliense

M. fortuitum

M. chelonae

Source: Ref. 5