M87.038

HCC Category Mapping

What This Code Means

Death of bone tissue in the left wrist bones (carpus) without infection, occurring without a known cause.

Coding Tips

• •Verify left side is documented and that the condition affects the carpus rather than other hand structures
• •Review imaging reports to confirm the anatomical location of necrosis

Clinical Significance

Idiopathic aseptic necrosis of the left carpus involves bone death in the wrist bones without known cause, potentially severely compromising hand function and requiring specialized orthopedic intervention. This condition commonly affects weight-bearing carpal bones and can progress to wrist collapse without appropriate treatment.

Documentation Requirements

• ✓Clear documentation of aseptic necrosis involving left carpal bones
• ✓Confirmation of idiopathic nature without identifiable underlying cause
• ✓Radiological evidence showing bone necrosis in left carpal structures
• ✓Specific laterality documentation indicating left wrist involvement
• ✓Clinical exclusion of infectious etiology
• ✓Functional assessment of left wrist mobility and grip strength
• ✓Treatment approach including conservative or surgical management
• ✓Pain documentation and impact on hand function and daily activities

Commonly Confused Codes