M86.311

HCC Category Mapping

What This Code Means

A long-standing bone infection affecting multiple bones, specifically involving the right shoulder.

Coding Tips

• •This code indicates the right shoulder is one of multiple affected sites; document all other involved locations separately.
• •Verify laterality is clearly documented as 'right' before assigning this code.

Clinical Significance

Chronic multifocal osteomyelitis represents a severe, persistent bone infection that significantly impacts patient mobility, quality of life, and requires extensive long-term management including antibiotics, surgical interventions, and monitoring for complications. This condition indicates substantial morbidity and healthcare resource utilization due to its chronic nature and multifocal involvement.

Documentation Requirements

• ✓Specific documentation of 'chronic' duration of osteomyelitis
• ✓Clear identification of 'multifocal' nature of the infection
• ✓Anatomic specification of right shoulder involvement
• ✓Evidence of ongoing infection (laboratory values, imaging findings)
• ✓Documentation of causative organism if identified
• ✓Treatment history including antibiotic therapy
• ✓Surgical interventions or procedures performed
• ✓Functional impact and complications noted

Commonly Confused Codes