ICD-10-CM > M00-M99 > M86-M90 > M89 > M89.6 > M89.66 M89.66 Osteopathy after poliomyelitis, lower leg Non-Billable/Non-Specific Codes M89.661Osteopathy after poliomyelitis, right lower legM89.662Osteopathy after poliomyelitis, left lower legM89.669Osteopathy after poliomyelitis, unspecified lower leg