M91.91 Juvenile osteochondrosis of hip and pelvis, unspecified, right leg

Billable ICD-10-CM code, FY2026.

Applies from M91 Juvenile osteochondrosis of hip and pelvis

Excludes1 (never code together)

• slipped upper femoral epiphysis (nontraumatic) (M93.0-)

MS-DRG index

Defines the logic of DRG(s) 553-554 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 732.1 Juvenile osteochondrosis of hip and pelvis (approximate)

Code annotations containing back-references to M91.91

Back-references to M91

• Type 1 Excludes: M87 Osteonecrosis ("juvenile osteonecrosis (M91-M92)")
• Type 1 Excludes: M87 Osteonecrosis ("osteochondropathies (M90-M93)")

Nearby codes

• M91.80 Other juvenile osteochondrosis of hip and pelvis, unspecified leg
• M91.81 Other juvenile osteochondrosis of hip and pelvis, right leg
• M91.82 Other juvenile osteochondrosis of hip and pelvis, left leg
• M91.9 Juvenile osteochondrosis of hip and pelvis, unspecified
• M91.90 Juvenile osteochondrosis of hip and pelvis, unspecified, unspecified leg
• M91.91 Juvenile osteochondrosis of hip and pelvis, unspecified, right leg (this code)
• M91.92 Juvenile osteochondrosis of hip and pelvis, unspecified, left leg