ICD-10-CM > M00-M99 > M86-M90 > M89 > M89.0 > M89.07 M89.07 Algoneurodystrophy, ankle and foot Non-Billable/Non-Specific Codes M89.071Algoneurodystrophy, right ankle and footM89.072Algoneurodystrophy, left ankle and footM89.079Algoneurodystrophy, unspecified ankle and foot