A31
Header — not billableInfection due to other mycobacteria
The ICD-10 code for infection due to other mycobacteria is A31.
A31 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 5 more specific codes below.
Clinical notes
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- A30Leprosy [Hansen's disease]non-billable header
- A32Listeriosisnon-billable header
- A33Tetanus neonatorum
- A34Obstetrical tetanus
- A35Other tetanus
- A36Diphtherianon-billable header
- A37Whooping coughnon-billable header
- A38Scarlet fevernon-billable header
- A39Meningococcal infectionnon-billable header
- A40Streptococcal sepsisnon-billable header
- A41Other sepsisnon-billable header
- A42Actinomycosisnon-billable header
- A43Nocardiosisnon-billable header
- A44Bartonellosisnon-billable header
- A46Erysipelas
- A48Other bacterial diseases, not elsewhere classifiednon-billable header
- A49Bacterial infection of unspecified sitenon-billable header
- A31Infection due to other mycobacterianon-billable header