M86.9
ICD-10BillableOsteomyelitis, unspecified
Official ICD-10-CM descriptor (FY2026)
Osteomyelitis, unspecified
M86.9 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Infection of bone NOS
- Periostitis without osteomyelitis
Related codes in M86
- M86.0Acute hematogenous osteomyelitiscategory
- M86.1Other acute osteomyelitiscategory
- M86.2Subacute osteomyelitiscategory
- M86.3Chronic multifocal osteomyelitiscategory
- M86.4Chronic osteomyelitis with draining sinuscategory
- M86.5Other chronic hematogenous osteomyelitiscategory
- M86.6Other chronic osteomyelitiscategory
- M86.8Other osteomyelitiscategory
Where this code sits
- Parent code
- M86
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.