ICD-10-CM > M00-M99 > M91-M94 > M91 > M91.9 M91.9 Juvenile osteochondrosis of hip and pelvis, unspecified Non-Billable/Non-Specific Codes M91.90Juvenile osteochondrosis of hip and pelvis, unspecified, unspecified legM91.91Juvenile osteochondrosis of hip and pelvis, unspecified, right legM91.92Juvenile osteochondrosis of hip and pelvis, unspecified, left leg