M86Osteomyelitis
ICD-10-CM category (non-billable header) code — part of Other osteopathies (M86-M90)
Coding Notes
Excludes1 (never code both together)
- osteomyelitis due to:
- echinococcus (B67.2)
- gonococcus (A54.43)
- salmonella (A02.24)
Excludes2 (not part of this condition — may code both)
- ostemyelitis of:
- orbit (H05.0-)
- petrous bone (H70.2-)
- vertebra (M46.2-)
Use Additional Code
- code (B95-B97) to identify infectious agent
- code to identify major osseous defect, if applicable (M89.7-)
Subcategories (9)
- M86.0 Acute hematogenous osteomyelitis
- M86.1 Other acute osteomyelitis
- M86.2 Subacute osteomyelitis
- M86.3 Chronic multifocal osteomyelitis
- M86.4 Chronic osteomyelitis with draining sinus
- M86.5 Other chronic hematogenous osteomyelitis
- M86.6 Other chronic osteomyelitis
- M86.8 Other osteomyelitis
- M86.9 Osteomyelitis, unspecified