733: Other disorders of bone and cartilage
Excludes:
bone spur (726.91)
cartilage of, or loose body in, joint (717.0-717.9, 718.0-718.9)
giant cell granuloma of jaw (526.3)
osteitis fibrosa cystica generalisata (252.01)
osteomalacia (268.2)
polyostotic fibrous dysplasia of bone (756.54)
prognathism, retrognathism (524.1)
xanthomatosis localized to bone (272.7)
733.4 Aseptic necrosis of bone
Use additional code to identify major osseous defect, if applicable (731.3)
Excludes:
osteochondropathies (732.0-732.9)
733.40: Aseptic necrosis of bone, site unspecified
733.41: Head of humerus
733.42: Head and neck of femur
Femur NOS
Excludes:
Legg-Calvé-Perthes disease (732.1)
733.43: Medial femoral condyle
733.44: Talus
733.45: Jaw
Use additional E code to identify drug, if drug-induced
Excludes:
osteoradionecrosis of jaw (526.89)
733.49: Other

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