M86.30

HCC Category Mapping

What This Code Means

A long-standing bone infection affecting multiple bones throughout the body, with the specific location unspecified.

Coding Tips

• •Request clarification from the provider regarding which bones are affected, as more specific codes exist for common sites.
• •Chronic multifocal osteomyelitis often requires investigation for underlying systemic conditions; ensure appropriate workup is documented.

Clinical Significance

Chronic multifocal osteomyelitis at unspecified site represents a long-standing bone infection affecting multiple locations throughout the body, indicating severe systemic disease with significant morbidity. This condition requires prolonged antibiotic therapy, potential surgical intervention, and comprehensive management to prevent complications such as pathologic fractures, sepsis, and permanent disability.

Documentation Requirements

• ✓Clear documentation of chronic multifocal osteomyelitis
• ✓Evidence of long-standing infection (typically months to years)
• ✓Documentation of involvement at multiple bone sites
• ✓Clinical evidence of chronic bone infection with systemic manifestations
• ✓Imaging findings consistent with chronic multifocal osteomyelitis
• ✓Laboratory markers supporting chronic infectious process
• ✓Culture results and antibiotic resistance patterns
• ✓Assessment of functional limitations and quality of life impact

Commonly Confused Codes