Infection due to other mycobacteria - A31
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- leprosy (A30.-)
- tuberculosis (A15-A19)
These ranges represents subcategories of Infection due to other mycobacteria. The "A31" signifies that these are the diseases within this broad category.