M86.131

HCC Category Mapping

What This Code Means

A sudden bone infection affecting the right forearm bones (radius and ulna), usually resulting from bacterial invasion through trauma or systemic infection.

Coding Tips

• •Confirm documentation specifies 'right' side; radius and ulna are paired bones in the forearm
• •Document whether infection involves one or both forearm bones if clinically relevant

Clinical Significance

Acute osteomyelitis involving both radius and ulna bones of the right forearm represents a complex infection requiring aggressive treatment due to the involvement of two bones and potential functional impairment. This diagnosis indicates significant tissue involvement and risk for long-term complications.

Documentation Requirements

• ✓Specific documentation of right radius and ulna involvement
• ✓Evidence of acute infection onset in forearm bones
• ✓Imaging confirmation showing both bone involvement
• ✓Clinical signs of bone infection (pain, swelling, warmth)
• ✓Laboratory evidence supporting active infection
• ✓Exclusion of hematogenous spread as primary cause
• ✓Documentation of functional impact on forearm
• ✓Treatment plan addressing dual bone involvement

Commonly Confused Codes