Diagnosis Code


Code Information

Diagnosis Code: A31.0

Short Description: Pulmonary mycobacterial infection

Long Description: Pulmonary mycobacterial infection

The code A31.0 is VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Other bacterial diseases (A30-A49)
      • Infection due to other mycobacteria (A31)
        • A31.0 Pulmonary mycobacterial infection

Code Version: 2019 ICD-10-CM


  • Atypical mycobacterial infection of lung
  • Battey disease
  • Disseminated atypical mycobacterial infection
  • Disseminated Mycobacterium kansasii infection
  • Hyperimmune cutaneous reaction to atypical mycobacteria
  • Hyperimmune cutaneous reaction to mycobacterium kansasii
  • Infection due to Mycobacterium avium-intracellulare group
  • Infection due to Mycobacterium kansasii
  • Infection of lung due to Mycobacterium kansasii
  • Lady Windermere syndrome
  • Mycobacterial pneumonia
  • Mycobacterium kansasii infection of skin
  • Non-tuberculous mycobacterial pneumonia
  • Pulmonary disease due to Mycobacteria
  • Pulmonary Mycobacterium avium complex infection

Diagnostic Related Group(s)

The code A31.0 is grouped in the following Diagnostic Related Group(s) (MS-DRG v36.0)
  • Respiratory Infections And Inflammations With Mcc (177)
  • Respiratory Infections And Inflammations With Cc (178)
  • Respiratory Infections And Inflammations Without Cc/mcc (179)

References to Index of Diseases and Injuries

The code A31.0 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Infection due to Mycobacterium avium
    • Infection due to Mycobacterium intracellulare [Battey bacillus]
    • Infection due to Mycobacterium kansasii

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
A31.0 Right Arrow 031.0 Pulmonary mycobacteria
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
A31 Infection due to other mycobacteria
A31.1 Cutaneous mycobacterial infection
A31.2 Disseminated mycobacterium avium-intracellulare complex (DMAC)
A31.8 Other mycobacterial infections
A31.9 Mycobacterial infection, unspecified

This page was last updated on: 10/1/2018