2026
ICD-10-CM
Diagnosis
Code

A31.9 Mycobacterial infection, unspecified

  • Billable
  • 2016–2026

A31.9 is a billable/specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Mycobacterial infection, unspecified.

Inclusion term

  • Atypical mycobacterial infection NOS

  • Mycobacteriosis NOS

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