ICD-10-CM Diagnosis Code (2025)
Official Description for A31.9
Mycobacterial infection, unspecified
Coding Notes & Guidelines for A31.9
Inclusion Terms
- Atypical mycobacterial infection NOS
- Mycobacteriosis NOS
Parent Code (Less Specific):
About ICD-10-CM Code A31.9 (Mycobacterial infection)
ICD-10-CM code A31.9 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 A31.9 became effective on October 1, 2024.
This page provides detailed information about A31.9 - Mycobacterial infection, unspecified. 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 Mycobacterial infection related to unspecified.