A74.89
A74.89 — Other chlamydial diseases
Billable / specific codeICD-10-CM
A74.89 is a billable, specific ICD-10-CM code for other chlamydial diseases. It is valid for submission on a claim.
Risk adjustment
A74.89 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 A74.89 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 A74.89.
- Chlamydia, chlamydial›specified NEC
- Disease, diseased›chlamydial›specified NEC
Related codes at this level
Codes that share A74.8. If A74.89 is not quite right, the correct code is usually one of these.
Questions about A74.89
- Is A74.89 a billable ICD-10-CM code?
- Yes. A74.89 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does A74.89 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Other diseases caused by chlamydiae (A70-A74).