Mycobacterium intracellulare

It includes Mycobacterium avium and Mycobacterium intracellulare.

Infection due to Mycobacterium intracellulare (Battey bacillus)

It is sometimes included in the "MAIS group" with Mycobacterium avium and Mycobacterium intracellulare.

Mycobacterium intracellulare is a species of the phylum actinobacteria (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus mycobacterium.