ICD-10-CM > M00-M99 > M60-M63 > M62 > M62.5 > M62.51 M62.51 Muscle wasting and atrophy, not elsewhere classified, shoulder Non-Billable/Non-Specific Codes M62.511Muscle wasting and atrophy, not elsewhere classified, right shoulderM62.512Muscle wasting and atrophy, not elsewhere classified, left shoulderM62.519Muscle wasting and atrophy, not elsewhere classified, unspecified shoulder