Atrophy of muscle of bilateral hands; Muscle atrophy of bilateral hands; Muscle atrophy of left hand; ICD-10-CM M62.542 is grouped within Diagnostic Related Group(s) (MS-DRG v 35.0): 557 Tendonitis, myositis and bursitis with mcc; 558 Tendonitis, myositis and bursitis without mcc; Convert M62.542 to ICD-9-CM. Code History