M86.38

HCC Category Mapping

What This Code Means

A chronic bone infection affecting multiple areas in locations other than the common sites like shoulder, arm, hip, leg, ankle, or foot.

Coding Tips

• •Document the specific anatomical site affected in the medical record
• •Use this code for multifocal osteomyelitis of the spine, pelvis, or other unusual locations

Clinical Significance

Chronic multifocal osteomyelitis at other sites represents a severe bone infection affecting locations not commonly specified, indicating complex disease requiring specialized management. This diagnosis captures multifocal infections in areas such as spine, pelvis, or skull that may have unique treatment challenges.

Documentation Requirements

• ✓Documentation of specific anatomical site not covered by common locations
• ✓Evidence of chronicity (>6 weeks duration or recurrent episodes)
• ✓Confirmation of multifocal involvement at the specified site
• ✓Radiographic findings demonstrating chronic osteomyelitic changes
• ✓Clinical symptoms related to the affected anatomical area
• ✓Laboratory evidence supporting chronic infectious process
• ✓Treatment documentation specific to the unusual location
• ✓Provider assessment confirming chronic multifocal osteomyelitis

Commonly Confused Codes