M91.12
BillableJuvenile osteochondrosis of head of femur [Legg-Calvé-Perthes], left leg
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A childhood hip condition where the ball of the thighbone on the left side loses blood supply and begins to collapse, causing pain and limping.
Coding Tips
- •This is Legg-Calvé-Perthes disease; ensure laterality (left) is documented in the medical record
- •Verify the patient's age is consistent with juvenile presentation (typically ages 4-8)
Code Hierarchy
└M91Juvenile osteochondrosis of hip and pelvis└M91.1Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes]└M91.12Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes], left leg
└M91.12Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes], left leg