ICD-10-CM A31: Infection due to other mycobacteria

ICD-10-CM Diagnosis Code (2025)

Official Description for A31

Infection due to other mycobacteria

Coding Notes & Guidelines for A31

Excludes2: Not Included Here
  • leprosy (A30.-)
  • tuberculosis (A15-A19)
Inclusion Terms
  • Infection due to Mycobacterium avium
  • Infection due to Mycobacterium intracellulare [Battey bacillus]
  • Infection due to Mycobacterium kansasii
Inclusion Terms
  • Buruli ulcer
  • Infection due to Mycobacterium marinum
  • Infection due to Mycobacterium ulcerans
Inclusion Terms

MAC sepsis

Inclusion Terms
  • Atypical mycobacterial infection NOS
  • Mycobacteriosis NOS

Child Codes (More Specific Codes for A31):

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

About ICD-10-CM Code A31 (Infection due to other mycobacteria)

ICD-10-CM code A31 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A31 became effective on October 1, 2024.

This page provides detailed information about A31 - Infection due to other mycobacteria. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Infection due to other mycobacteria.