ICD-10-CM > M00-M99 > M86-M90 > M86 > M86.5 > M86.57 M86.57 Other chronic hematogenous osteomyelitis, ankle and foot Non-Billable/Non-Specific Codes M86.571Other chronic hematogenous osteomyelitis, right ankle and footM86.572Other chronic hematogenous osteomyelitis, left ankle and footM86.579Other chronic hematogenous osteomyelitis, unspecified ankle and foot