ICD-10-CM · Chapter 13 · M00-M99
M91 Juvenile osteochondrosis of hip and pelvis
Excludes 1 (cannot be coded together)
- slipped upper femoral epiphysis (nontraumatic) (M93.0-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| M91..0 | Juvenile osteochondrosis of pelvis | Yes |
| M91..1 | Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes] | No |
| M91..10 | Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], unspecified leg | Yes |
| M91..11 | Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], right leg | Yes |
| M91..12 | Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], left leg | Yes |
| M91..2 | Coxa plana | No |
| M91..20 | Coxa plana, unspecified hip | Yes |
| M91..21 | Coxa plana, right hip | Yes |
| M91..22 | Coxa plana, left hip | Yes |
| M91..3 | Pseudocoxalgia | No |
| M91..30 | Pseudocoxalgia, unspecified hip | Yes |
| M91..31 | Pseudocoxalgia, right hip | Yes |
| M91..32 | Pseudocoxalgia, left hip | Yes |
| M91..4 | Coxa magna | No |
| M91..40 | Coxa magna, unspecified hip | Yes |
| M91..41 | Coxa magna, right hip | Yes |
| M91..42 | Coxa magna, left hip | Yes |
| M91..8 | Other juvenile osteochondrosis of hip and pelvis | No |
| M91..80 | Other juvenile osteochondrosis of hip and pelvis, unspecified leg | Yes |
| M91..81 | Other juvenile osteochondrosis of hip and pelvis, right leg | Yes |
| M91..82 | Other juvenile osteochondrosis of hip and pelvis, left leg | Yes |
| M91..9 | Juvenile osteochondrosis of hip and pelvis, unspecified | No |
| M91..90 | Juvenile osteochondrosis of hip and pelvis, unspecified, unspecified leg | Yes |
| M91..91 | Juvenile osteochondrosis of hip and pelvis, unspecified, right leg | Yes |
| M91..92 | Juvenile osteochondrosis of hip and pelvis, unspecified, left leg | Yes |
Last reviewed: September 2026