--- M87.231 Osteonecrosis due to previous trauma of right radius

--- M87.232 Osteonecrosis due to previous trauma of left radius

--- M87.233 Osteonecrosis due to previous trauma of unspecified radius

--- M87.234 Osteonecrosis due to previous trauma of right ulna

--- M87.235 Osteonecrosis due to previous trauma of left ulna

--- M87.236 Osteonecrosis due to previous trauma of unspecified ulna

--- M87.237 Osteonecrosis due to previous trauma of right carpus

--- M87.238 Osteonecrosis due to previous trauma of left carpus

--- M87.239 Osteonecrosis due to previous trauma of unspecified carpus