ICD-10-CM 2027 diagnosis code
M24.65Ankylosis, hip
M24.65 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About M24.65
M24.65 is the ICD-10-CM diagnosis code for ankylosis, hip. It belongs to category M24 (other specific joint derangements), block M20-M25 (other joint disorders) and chapter 13 (diseases of the musculoskeletal system and connective tissue). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.
Within M24.6 (ankylosis of joint), M24.65 is specifically for ankylosis, hip. Related codes cover unspecified joint (M24.60), shoulder (M24.61), elbow (M24.62), wrist (M24.63), hand (M24.64), knee (M24.66), ankle and foot (M24.67) and other specified joint (M24.69).
To report this condition, pick the subcode that matches the documentation: M24.651 (hip), M24.652 (hip) and M24.659 (hip).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Specific codes under M24.65
Notes that apply from higher levels
Instructions written at a parent level also apply to M24.65.
› From M24.6 Ankylosis of joint
Broader instructions also apply from M20-M25 Other joint disorders and Chapter 13: Diseases of the musculoskeletal system and connective tissue.
Alphabetic index entries
1 entriesTerms in the official ICD-10-CM index that lead to M24.65.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about M24.65
Is M24.65 billable?
- No. M24.65 is a header code. Report one of its more specific subcodes instead.