ICD-10-CM > M00-M99 > M86-M90 > M89 > M89.0 > M89.06 M89.06 Algoneurodystrophy, lower leg Non-Billable/Non-Specific Codes M89.061Algoneurodystrophy, right lower legM89.062Algoneurodystrophy, left lower legM89.069Algoneurodystrophy, unspecified lower leg