M87: Osteonecrosis includes avascular necrosis of bone useAdditionalCode code to identify major osseous defect, if applicable (M89.7-) excludes1 juvenile osteonecrosis (M91-M92) osteochondropathies (M90-M93) |
| M87.0: Idiopathic aseptic necrosis of bone |
| M87.1: Osteonecrosis due to drugs |
| M87.2: Osteonecrosis due to previous trauma |
| M87.3: Other secondary osteonecrosis |
| M87.8: Other osteonecrosis |
| M87.9: Osteonecrosis, unspecified |