A31 Infection due to other mycobacteria

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Infection due to other mycobacteria is A31 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
A30-A49: Other bacterial diseases (A30-A49)
Category A31
6 codes (5 billable)
FY2026 Status
Stable since FY2024
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • leprosy (A30.-)
  • tuberculosis (A15-A19)

Official Coding Guidelines

HIV Infections (TOC entry)

a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.a
Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference A31 with the canonical source and edition:

A31 — Infection due to other mycobacteria. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/A31

Canonical URL: https://icd10codingpro.com/codes/A31

Related Codes

More Specific Codes

A31.0 Pulmonary mycobacterial infection A31.1 Cutaneous mycobacterial infection A31.2 Disseminated mycobacterium avium-intracellulare complex (DMAC) A31.8 Other mycobacterial infections A31.9 Mycobacterial infection, unspecified

All Codes in A31

Every most-specific code under A31 Infection due to other mycobacteria (5 codes):

Show the complete A31 code list
A31.0 Pulmonary mycobacterial infection A31.1 Cutaneous mycobacterial infection A31.2 Disseminated mycobacterium avium-intracellulare complex (DMAC) A31.8 Other mycobacterial infections A31.9 Mycobacterial infection, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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