M86.562

HCC Category Mapping

What This Code Means

A chronic bone infection of the left shinbone and smaller leg bone (tibia and fibula) that developed from bacteria spreading through the bloodstream.

Coding Tips

• •Ensure documentation clearly specifies left tibia and fibula involvement
• •These are weight-bearing bones; document any gait disturbance or functional impairment

Clinical Significance

Chronic hematogenous osteomyelitis of the left tibia and fibula represents a severe bone infection that critically impacts weight-bearing function and mobility. This condition often requires prolonged treatment with antibiotics and may necessitate surgical debridement, significantly affecting patient quality of life and functional independence.

Documentation Requirements

• ✓Confirmation of chronic duration (minimum 6 weeks or recurrent episodes)
• ✓Evidence of hematogenous spread from bloodstream source
• ✓Specific documentation of left tibia and/or fibula involvement
• ✓Radiographic evidence of bone infection or osteomyelitic changes
• ✓Laboratory studies supporting chronic infection process
• ✓Functional assessment of left lower extremity
• ✓Documentation of antibiotic therapy duration and response
• ✓Assessment of complications including bone destruction or fracture risk

Commonly Confused Codes