ICD-10-CM > M00-M99 > M86-M90 > M86 > M86.1 > M86.13 M86.13 Other acute osteomyelitis, radius and ulna Non-Billable/Non-Specific Codes M86.131Other acute osteomyelitis, right radius and ulnaM86.132Other acute osteomyelitis, left radius and ulnaM86.139Other acute osteomyelitis, unspecified radius and ulna