M91.42
BillableCoxa magna, left 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 on the left side where the ball of the thighbone becomes abnormally large, affecting hip mechanics and function.
Coding Tips
- •Confirm left hip laterality is clearly documented before assigning this code
- •Coxa magna may be associated with previous hip disease or developmental abnormalities
Code Hierarchy
└M91Juvenile osteochondrosis of hip and pelvis└M91.4Coxa magna└M91.42Coxa magna, left hip
└M91.42Coxa magna, left hip