A31.0 – Pulmonary mycobacterial infection
ICD-10-CM 2027 diagnosis code · Other bacterial diseases
ICD-10-CM code
A31.0
- Code
A31.0(claims format:A310)- Description
- Pulmonary mycobacterial infection
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A30-A49 Other bacterial diseases
- Parent codes
- A31
Notes for A31.0
Applicable to:
- Infection due to Mycobacterium avium
- Infection due to Mycobacterium intracellulare [Battey bacillus]
- Infection due to Mycobacterium kansasii
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
A31 – Infection due to other mycobacteria
Index terms for A31.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Disease, diseased, Battey
- Battey Mycobacterium infection
- Disease, diseased, photochromogenic
- Mycobacterium, mycobacterial, avium
- Mycobacterium, mycobacterial, Battey
- Mycobacterium, mycobacterial, kansasii
- Mycobacterium, mycobacterial, pulmonary
- Mycobacterium, mycobacterial, intracellulare
- Mycobacterium, mycobacterial, atypical, pulmonary
- Infection, infected, infective, lung, atypical Mycobacterium
Related codes in A31
Frequently asked questions
What is ICD-10 code A31.0?
A31.0 is the ICD-10-CM code for pulmonary mycobacterial infection, in the block A30-A49 (Other bacterial diseases).
Is A31.0 a billable code?
Yes. A31.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A31.0 belong to?
It belongs to category A31 – Infection due to other mycobacteria.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.