Mycobacterial infection, unspecified
Billable / specific
A31.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- Atypical mycobacterial infection NOS
- Mycobacteriosis NOS
Includes (from A31)
- diseases generally recognized as communicable or transmissible
Excludes2
Not included here — may be reported together when both conditions exist.
- carrier or suspected carrier of infectious disease (Z22.-) (from A31)
- certain localized infections - see body system-related chapters (from A31)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from A31)
- infectious and parasitic diseases specific to the perinatal period (P35-P39) (from A31)
- influenza and other acute respiratory infections (J00-J22) (from A31)
- leprosy (A30.-) (from A31)
- tuberculosis (A15-A19) (from A31)
Use additional code
Add a code to identify the following, if applicable.
Also known as
- Atypical mycobacterial infection NOS
- Mycobacteriosis NOS
- Disease, diseased, photochromogenic, nonpulmonary
- Mycobacterium, mycobacterial
- Mycobacterium, mycobacterial, anonymous
- Mycobacterium, mycobacterial, atypical
Parent code
- A31Infection due to other mycobacteriaHeader