Is Q65.9 a billable ICD-10-CM code?

Yes. Q65.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Q65.9 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).

What cannot be coded together with Q65.9?

Q65.9 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Q65.9 (Q65) and apply to it just the same.

Q65.9

Q65.9 — Congenital deformity of hip, unspecified

Billable / specific codeICD-10-CMPOA exemptunspecified

Q65.9 is a billable, specific ICD-10-CM code for congenital deformity of hip, unspecified. It is valid for submission on a claim.

Excludes1 inherited from the categories above Q65.9

These are not written on Q65.9, but they bind it: a note on a category applies to every code beneath it. Billing Q65.9 with anything listed here is a denial.

Written on Q65 — Congenital deformities of hip

clicking hip (R29.4)

Other codes that can never be billed with Q65.9

These codes carry an Excludes1 note pointing at Q65.9. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Q65.9 alone.

R29.4Clicking hip

Risk adjustment

Q65.9 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.

Medicare coverage

Q65.9 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A57683Billing and Coding: Total Hip Arthroplasty
A57765Billing and Coding: Major Joint Replacement (Hip and Knee)
A59811Billing and Coding: Total Joint Arthroplasty

How Q65.9 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 Q65.9.

Deformity›hip›congenital

Code history

Q65.9 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share Q65. If Q65.9 is not quite right, the correct code is usually one of these.

Questions about Q65.9

Is Q65.9 a billable ICD-10-CM code?: Yes. Q65.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Q65.9 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).
What cannot be coded together with Q65.9?: Q65.9 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Q65.9 (Q65) and apply to it just the same.