A49.9
A49.9: Bacterial infection, unspecified
Billable / specific codeICD-10-CM
A49.9 is a billable, specific ICD-10-CM code for bacterial infection, unspecified. It is valid for submission on a claim.
Check A49.9 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- bacteremia NOS (R78.81)
Excludes1 inherited from the categories above A49.9
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above A49.9
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Disease, diseased›bacterial
- Infection, infected, infective›Bacillus
- Infection, infected, infective›bacterial NOS
- Infection, infected, infective›gram-negative bacilli NOS
- Arthritis, arthritic›in›bacterial disease
Code history
Unchanged in every release from FY2024 to FY2027.