M87.374

HCC Category Mapping

What This Code Means

Death of bone tissue in the right foot caused by an underlying condition or treatment such as corticosteroid use, radiation therapy, or previous injury.

Coding Tips

• •Specify which foot bone is affected (metatarsal, tarsal, etc.) in documentation when possible for clarity
• •Confirm the secondary etiology is documented to differentiate from idiopathic osteonecrosis

Clinical Significance

This diagnosis represents secondary osteonecrosis of the right foot caused by underlying conditions such as corticosteroid use, radiation therapy, or previous injury, which can significantly impact weight-bearing and mobility. It requires management of the causative factor and monitoring for progression.

Documentation Requirements

• ✓Documentation of osteonecrosis affecting right foot bones
• ✓Identification of underlying cause (e.g., corticosteroid use, radiation therapy, diabetes complications)
• ✓Imaging findings confirming foot bone necrosis (MRI, X-ray, CT)
• ✓Clinical symptoms such as foot pain, swelling, or difficulty walking
• ✓Specific foot bones affected (metatarsals, tarsal bones, etc.)
• ✓Functional limitations affecting ambulation
• ✓Duration and progression of condition
• ✓Treatment history including offloading and surgical interventions

Commonly Confused Codes