ICD-10-CM > M00-M99 > M20-M25 > M24 > M24.5 > M24.57 M24.57 Contracture, ankle and foot Non-Billable/Non-Specific Codes M24.571Contracture, right ankleM24.572Contracture, left ankleM24.573Contracture, unspecified ankleM24.574Contracture, right footM24.575Contracture, left footM24.576Contracture, unspecified foot