M91.40
BillableCoxa magna, unspecified hip
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
An enlarged hip joint where the ball of the thighbone becomes abnormally large, affecting hip mechanics and function, with the specific hip not identified.
Coding Tips
- •This unspecified code should only be used when laterality cannot be determined from documentation
- •Query the provider if possible to determine right, left, or bilateral involvement for more specific coding
Code Hierarchy
└M91Juvenile osteochondrosis of hip and pelvis└M91.4Coxa magna└M91.40Coxa magna, unspecified hip
└M91.40Coxa magna, unspecified hip