A44.9
A44.9 — Bartonellosis, unspecified
Billable / specific codeICD-10-CM
A44.9 is a billable, specific ICD-10-CM code for bartonellosis, unspecified. It is valid for submission on a claim.
Risk adjustment
A44.9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
How A44.9 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to A44.9.
- Bartonellosis
Related codes at this level
Codes that share A44. If A44.9 is not quite right, the correct code is usually one of these.
Questions about A44.9
- Is A44.9 a billable ICD-10-CM code?
- Yes. A44.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does A44.9 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Other bacterial diseases (A30-A49).