A31.8 – Other mycobacterial infections
ICD-10-CM 2027 diagnosis code · Other bacterial diseases
ICD-10-CM code
A31.8
- Code
A31.8(claims format:A318)- Description
- Other mycobacterial infections
- 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 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 A31.8
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Lymphadenitis, mycobacterial
- Mycobacterium, mycobacterial, simiae
- Mycobacterium, mycobacterial, terrae
- Mycobacterium, mycobacterial, xenopi
- Mycobacterium, mycobacterial, kasongo
- Mycobacterium, mycobacterial, szulgai
- Mycobacterium, mycobacterial, chelonei
- Mycobacterium, mycobacterial, triviale
- Mycobacterium, mycobacterial, fortuitum
- Mycobacterium, mycobacterial, kakaferifu
- Mycobacterium, mycobacterial, scrofulaceum
- Mycobacterium, mycobacterial, extrapulmonary systemic
- Mycobacterium, mycobacterial, systemic, extrapulmonary
- Mycobacterium, mycobacterial, atypical, specified site NEC
- Arthritis, arthritic, due to or associated with, mycobacteria
Related codes in A31
Frequently asked questions
What is ICD-10 code A31.8?
A31.8 is the ICD-10-CM code for other mycobacterial infections, in the block A30-A49 (Other bacterial diseases).
Is A31.8 a billable code?
Yes. A31.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A31.8 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.