M87.062

HCC Category Mapping

What This Code Means

Death of bone tissue in the left shinbone (tibia) without infection, occurring without a known cause. This condition can cause pain and weakness in the lower leg and may affect walking ability.

Coding Tips

• •Confirm left side is documented in the medical record
• •Distinguish from fibular necrosis (M87.064-066) which affects the smaller bone in the lower leg

Clinical Significance

Idiopathic aseptic necrosis of the left tibia involves bone death in the shinbone without known cause, potentially causing pain and weakness in the lower leg affecting walking ability. This condition can cause pain and weakness in the lower leg and may affect walking ability, often requiring orthopedic management to preserve leg function.

Documentation Requirements

• ✓Clear documentation of aseptic necrosis involving left tibia
• ✓Confirmation of idiopathic nature without identifiable underlying cause
• ✓Radiological evidence demonstrating bone necrosis in left tibial structures
• ✓Specific laterality documentation indicating left tibia involvement
• ✓Clinical exclusion of infectious etiology
• ✓Functional assessment of left lower leg mobility and weight-bearing
• ✓Treatment approach documentation including conservative or surgical management
• ✓Pain assessment and impact on ambulation and daily activities

Commonly Confused Codes