ICD-10-CM > M00-M99 > M60-M63 > M62 > M62.2 > M62.22 M62.22 Nontraumatic ischemic infarction of muscle, upper arm Non-Billable/Non-Specific Codes M62.221Nontraumatic ischemic infarction of muscle, right upper armM62.222Nontraumatic ischemic infarction of muscle, left upper armM62.229Nontraumatic ischemic infarction of muscle, unspecified upper arm