M91 Juvenile osteochondrosis of hip and pelvisNon-billable header with 7 child codes.
M91.0 Juvenile osteochondrosis of pelvisM91.1 Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes]M91.2 Coxa planaM91.3 PseudocoxalgiaM91.4 Coxa magnaM91.8 Other juvenile osteochondrosis of hip and pelvisM91.9 Juvenile osteochondrosis of hip and pelvis, unspecifiedM87 Osteonecrosis ("juvenile osteonecrosis (M91-M92)")M87 Osteonecrosis ("osteochondropathies (M90-M93)")M87 Osteonecrosis ("juvenile osteonecrosis (M91-M92)")M87 Osteonecrosis ("osteochondropathies (M90-M93)")M91 Juvenile osteochondrosis of hip and pelvis (this code)M91.0 Juvenile osteochondrosis of pelvisM91.1 Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes]M91.10 Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], unspecified legM91.11 Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], right legM91.12 Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], left leg