M86.2
⚠ Non-billable (Header)Subacute osteomyelitis
Diseases of the musculoskeletal system and connective tissue (M00-M99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from M86Rules from parent category M86: Osteomyelitis
- • osteomyelitis due to:
- • echinococcus (B67.2)
- • gonococcus (A54.43)
- • salmonella (A02.24)
⚠️ Excludes2
inherited from M86Rules from parent category M86: Osteomyelitis
- • ostemyelitis of:
- • orbit (H05.0-)
- • petrous bone (H70.2-)
- • vertebra (M46.2-)
Child Codes (10)
M86.20Subacute osteomyelitis, unspecified siteM86.21Subacute osteomyelitis, shoulderM86.22Subacute osteomyelitis, humerusM86.23Subacute osteomyelitis, radius and ulnaM86.24Subacute osteomyelitis, handM86.25Subacute osteomyelitis, femurM86.26Subacute osteomyelitis, tibia and fibulaM86.27Subacute osteomyelitis, ankle and footM86.28Subacute osteomyelitis, other siteM86.29Subacute osteomyelitis, multiple sites
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CodeM86.2
BillableNo — Header code
ParentM86
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes14 rule(s)
Excludes24 note(s)
Child codes10
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)