M87.345

HCC Category Mapping

What This Code Means

Death of bone tissue in the left finger(s) caused by an underlying condition or treatment, resulting in bone deterioration and potential loss of function.

Coding Tips

• •Verify laterality is documented as left in the medical record before assigning this code
• •Investigate the underlying cause (such as trauma, radiation, or corticosteroid use) and code it as a secondary diagnosis

Clinical Significance

This diagnosis represents secondary osteonecrosis of the left finger bones caused by underlying conditions such as corticosteroid therapy, radiation exposure, or systemic diseases. It requires ongoing monitoring for bone collapse and potential surgical intervention, while identifying and managing the causative factor.

Documentation Requirements

• ✓Documentation of osteonecrosis affecting left finger(s)
• ✓Identification of underlying cause (e.g., corticosteroid use, radiation, sickle cell disease)
• ✓Imaging findings confirming bone necrosis (MRI, X-ray, CT)
• ✓Clinical symptoms such as pain, stiffness, or functional impairment
• ✓Specific finger(s) affected if known
• ✓Duration and progression of condition
• ✓Treatment history and response
• ✓Functional impact on hand use

Commonly Confused Codes