M87.022

HCC Category Mapping

What This Code Means

Death of bone tissue without infection in the left upper arm bone (humerus), occurring without a known cause.

Coding Tips

• •Confirm the affected bone is the humerus and not the shoulder joint itself
• •Document must clearly indicate left side to use this specific code

Clinical Significance

Idiopathic aseptic necrosis of the left humerus involves bone tissue death in the upper arm without known cause, typically resulting in significant pain and functional limitations. This serious orthopedic condition often progresses to require surgical intervention and comprehensive rehabilitation to maintain arm function and prevent disability.

Documentation Requirements

• ✓Clear documentation of aseptic necrosis affecting left humerus
• ✓Confirmation of idiopathic nature without identifiable underlying cause
• ✓Radiological evidence demonstrating bone necrosis in left humeral bone
• ✓Specific laterality documentation indicating left side involvement
• ✓Clinical exclusion of infectious etiology
• ✓Functional assessment of left arm mobility and strength
• ✓Treatment approach documentation including therapeutic interventions
• ✓Pain assessment and impact on activities of daily living

Commonly Confused Codes