ICD-10-CM > M00-M99 > M86-M90 > M87 > M87.8 > M87.84 M87.84 Other osteonecrosis, hand and fingers Non-Billable/Non-Specific Codes M87.841Other osteonecrosis, right handM87.842Other osteonecrosis, left handM87.843Other osteonecrosis, unspecified handM87.844Other osteonecrosis, right finger(s)M87.845Other osteonecrosis, left finger(s)M87.849Other osteonecrosis, unspecified finger(s)