A31.9 - Mycobacterial infection, unspecified
- Applicable to Mycobacterial infection, unspecified
- The 2025 edition of ICD10-CM A31.9 became effective on October 1, 2024.
- This is the American ICD10-CM version of A31.9 - other international versions of ICD10 A31.9 may differ.
- A31.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion Term
- Atypical mycobacterial infection NOS
- Mycobacteriosis NOS
The following codes above A31.9 contain annotation back-references that may be applicable to A31.9:
Chapter: A00-B99 Certain infectious and parasitic diseases
Section: A30-A49 Other bacterial diseases
Category: A31 Infection due to other mycobacteria
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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