Is Q65.8 a billable ICD-10-CM code?

No. Q65.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does Q65.8 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 Q65.8?

Q65.8 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 Q65.8 (Q65) and apply to it just the same.

Q65.8

Q65.8 — Other congenital deformities of hip

Non-billable headerICD-10-CM

Q65.8 is a non-billable header ICD-10-CM code for other congenital deformities of hip. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above Q65.8

These are not written on Q65.8, but they bind it: a note on a category applies to every code beneath it. Billing Q65.8 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 Q65.8

These codes carry an Excludes1 note pointing at Q65.8. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Q65.8 alone.

Q74.2Other congenital malformations of lower limb(s), including pelvic girdle
R29.4Clicking hip
Q68.3Congenital bowing of femur

Risk adjustment

Q65.8 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.

Code history

Q65.8 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead Q65.8

3 child codes. Green means billable.

Related codes at this level

Codes that share Q65. If Q65.8 is not quite right, the correct code is usually one of these.

Questions about Q65.8

Is Q65.8 a billable ICD-10-CM code?: No. Q65.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Q65.8 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 Q65.8?: Q65.8 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 Q65.8 (Q65) and apply to it just the same.