ICD-10-CM > M00-M99 > M86-M90 > M90 > M90.8 > M90.86 M90.86 Osteopathy in diseases classified elsewhere, lower leg Non-Billable/Non-Specific Codes M90.861Osteopathy in diseases classified elsewhere, right lower legM90.862Osteopathy in diseases classified elsewhere, left lower legM90.869Osteopathy in diseases classified elsewhere, unspecified lower leg