ICD-10-CM > M00-M99 > M86-M90 > M86 > M86.2 > M86.22 M86.22 Subacute osteomyelitis, humerus Non-Billable/Non-Specific Codes M86.221Subacute osteomyelitis, right humerusM86.222Subacute osteomyelitis, left humerusM86.229Subacute osteomyelitis, unspecified humerus