M86.621

HCC Category Mapping

What This Code Means

A long-term bone infection in the right upper arm bone (humerus).

Coding Tips

• •Verify the infection is in the humerus specifically and on the right side
• •Confirm chronic nature of the infection in clinical documentation

Clinical Significance

Chronic osteomyelitis of the right humerus represents a serious bone infection affecting the primary bone of the upper arm, significantly impacting arm function and strength. This condition often requires prolonged treatment and may result in permanent functional limitations, affecting the patient's ability to perform activities requiring upper extremity use.

Documentation Requirements

• ✓Documentation of chronic duration (>6 weeks or recurrent episodes)
• ✓Specific involvement of right humerus bone
• ✓Non-hematogenous etiology (contiguous spread or direct inoculation)
• ✓Imaging studies demonstrating bone infection or destruction
• ✓Laboratory confirmation of infection (ESR, CRP, cultures)
• ✓Assessment of right arm function and range of motion
• ✓Documentation of treatment including antibiotics and surgical interventions
• ✓Evaluation of functional limitations and need for adaptive equipment

Commonly Confused Codes