ICD-10-CM > M00-M99 > M86-M90 > M86 > M86.1 > M86.12 M86.12 Other acute osteomyelitis, humerus Non-Billable/Non-Specific Codes M86.121Other acute osteomyelitis, right humerusM86.122Other acute osteomyelitis, left humerusM86.129Other acute osteomyelitis, unspecified humerus