M87.378

HCC Category Mapping

What This Code Means

Death of bone tissue in the left toe(s) caused by an underlying condition or treatment such as corticosteroid use or radiation therapy.

Coding Tips

• •Specify which toe(s) are involved and whether one or multiple toes are affected
• •Document the underlying etiology and any functional impairment related to the osteonecrosis

Clinical Significance

This diagnosis represents secondary osteonecrosis of the left toe bones caused by underlying conditions such as corticosteroid use or radiation therapy, which can affect toe function and potentially impact walking. It requires management of the underlying cause and monitoring for progression.

Documentation Requirements

• ✓Documentation of osteonecrosis affecting left toe(s)
• ✓Identification of underlying cause (e.g., corticosteroid use, radiation therapy, vascular disease)
• ✓Imaging findings confirming toe bone necrosis (MRI, X-ray, CT)
• ✓Clinical symptoms such as toe pain, swelling, or deformity
• ✓Specific toe(s) affected if documented
• ✓Functional impact on walking or footwear
• ✓Duration and progression of condition
• ✓Treatment history and response to interventions

Commonly Confused Codes