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Diagnosis Code

A31.9 MYCOBACTERIAL INFECTION, UNSPECIFIED


Code Information

Diagnosis Code: A31.9

Short Description: Mycobacterial infection, unspecified

Long Description: Mycobacterial infection, unspecified

The code A31.9 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)
        • A31.9 Mycobacterial infection, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Abscess of spinal epidural space caused by bacterium
  • Abscess of spinal epidural space caused by Mycobacterium
  • Acid-fast bacteria present
  • Atypical mycobacterial infection
  • Atypical mycobacterial infection of hand
  • Disseminated atypical infection caused by Mycobacterium co-occurrent with human immunodeficiency virus infection
  • Disseminated atypical mycobacterial infection
  • Disseminated mycobacteriosis
  • Granuloma of spinal cord caused by bacterium
  • Granuloma of spinal cord caused by Mycobacterium
  • Infection due to mycobacteria resistant to multiple antimycobacterial agents
  • Infection due to Mycobacteroides abscessus
  • Mycobacterial infection
  • Mycobacterial infection of the central nervous system
  • Mycobacteriosis
  • Mycobacteriosis associated with AIDS
  • Post-bacterial arthropathy
  • Postinfective arthropathy following infection caused by Mycobacterium
  • Reactive arthropathy following infection caused by Mycobacterium
  • Skin and soft tissue atypical mycobacterial infection
  • Spinal epidural abscess

Diagnostic Related Group(s)

The code A31.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Other Infectious And Parasitic Diseases Diagnoses With Mcc (867)
  • Other Infectious And Parasitic Diseases Diagnoses With Cc (868)
  • Other Infectious And Parasitic Diseases Diagnoses Without Cc/mcc (869)

References to Index of Diseases and Injuries

The code A31.9 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Atypical mycobacterial infection NOS
    • Mycobacteriosis NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
A31.9 Right Arrow 031.9 Mycobacterial dis NOS

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

This page was last updated on: 10/1/2021

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