M86.632

HCC Category Mapping

What This Code Means

A chronic bone infection in the left forearm bones (radius and ulna) characterized by persistent inflammation and bone involvement.

Coding Tips

• •Verify 'left' laterality is clearly documented in the clinical notes
• •Note any drainage, sinus tracts, or sequestrum formation as these may affect treatment planning

Clinical Significance

Chronic osteomyelitis of the left radius and ulna represents a serious bone infection affecting both forearm bones, severely compromising upper extremity function and hand use. This condition significantly impacts activities of daily living and may require extensive rehabilitation services and adaptive equipment.

Documentation Requirements

• ✓Confirmation of chronic duration (minimum 6 weeks or recurrent episodes)
• ✓Specific documentation of left radius and/or ulna involvement
• ✓Non-hematogenous etiology (contiguous spread or direct inoculation)
• ✓Radiographic evidence of bone infection or destruction
• ✓Laboratory studies supporting chronic infection process
• ✓Functional assessment of left forearm and hand
• ✓Documentation of antibiotic therapy and surgical procedures
• ✓Assessment of occupational and daily living limitations

Commonly Confused Codes