--- M87.241 Osteonecrosis due to previous trauma, right hand

--- M87.242 Osteonecrosis due to previous trauma, left hand

--- M87.243 Osteonecrosis due to previous trauma, unspecified hand

--- M87.244 Osteonecrosis due to previous trauma, right finger(s)

--- M87.245 Osteonecrosis due to previous trauma, left finger(s)

--- M87.246 Osteonecrosis due to previous trauma, unspecified finger(s)