M86.3
⚠ Non-billable (Header)Chronic multifocal 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)
M86.30Chronic multifocal osteomyelitis, unspecified siteM86.31Chronic multifocal osteomyelitis, shoulderM86.32Chronic multifocal osteomyelitis, humerusM86.33Chronic multifocal osteomyelitis, radius and ulnaM86.34Chronic multifocal osteomyelitis, handM86.35Chronic multifocal osteomyelitis, femurM86.36Chronic multifocal osteomyelitis, tibia and fibulaM86.37Chronic multifocal osteomyelitis, ankle and footM86.38Chronic multifocal osteomyelitis, other siteM86.39Chronic multifocal osteomyelitis, multiple sites
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CodeM86.3
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)