ICD-10-CM > M00-M99 > M60-M63 > M62 > M62.5 > M62.57 M62.57 Muscle wasting and atrophy, not elsewhere classified, ankle and foot Non-Billable/Non-Specific Codes M62.571Muscle wasting and atrophy, not elsewhere classified, right ankle and footM62.572Muscle wasting and atrophy, not elsewhere classified, left ankle and footM62.579Muscle wasting and atrophy, not elsewhere classified, unspecified ankle and foot