Q65.81 — Congenital coxa valga
Q65.81 is a billable, specific ICD-10-CM code for congenital coxa valga. It is valid for submission on a claim.
Risk adjustment
Q65.81 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.
Medicare coverage
Q65.81 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53058Billing and Coding: Home Health Physical Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
How Q65.81 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 Q65.81.
- Coxa›valga›congenital
Related codes at this level
Codes that share Q65.8. If Q65.81 is not quite right, the correct code is usually one of these.
Questions about Q65.81
- Is Q65.81 a billable ICD-10-CM code?
- Yes. Q65.81 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Q65.81 sit in the tabular list?
- Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations and deformations of the musculoskeletal system (Q65-Q79).