--- M87.141 Osteonecrosis due to drugs, right hand

--- M87.142 Osteonecrosis due to drugs, left hand

--- M87.143 Osteonecrosis due to drugs, unspecified hand

--- M87.144 Osteonecrosis due to drugs, right finger(s)

--- M87.145 Osteonecrosis due to drugs, left finger(s)

--- M87.146 Osteonecrosis due to drugs, unspecified finger(s)