L89.014

HCC Category Mapping

What This Code Means

A stage 4 pressure ulcer on the right elbow with full-thickness skin loss and tissue damage extending through subcutaneous tissue to expose bone, tendon, muscle, or other deep structures.

Coding Tips

• •Stage 4 is the most severe; document all exposed structures, presence of necrotic tissue, and any complications like infection or osteomyelitis
• •Verify clinical documentation clearly indicates exposure of deep anatomical structures before assigning this code

Clinical Significance

A stage 4 pressure ulcer of the right elbow represents Stage 4 pressure ulcers involve full-thickness tissue loss with exposed bone, tendon, or muscle. Slough or eschar may be present on some parts of the wound bed. These are the most severe pressure injuries and often extend into supporting structures with risk of osteomyelitis and sepsis. Pressure ulcers are significant indicators of patient frailty, immobility, and care complexity, requiring ongoing wound management and interdisciplinary care. Accurate staging and site documentation are essential for risk adjustment and quality reporting.

Documentation Requirements

• ✓Provider documentation of stage 4 pressure ulcer at the specific anatomic site
• ✓Description confirming exposed bone, tendon, or muscle
• ✓Wound measurements (length, width, depth) including undermining and tunneling
• ✓Wound bed characteristics and any necrotic tissue
• ✓Assessment for complications (osteomyelitis, sepsis, cellulitis)
• ✓Current wound care and surgical consultation if indicated
• ✓Evidence the wound was evaluated and actively managed during the encounter

Commonly Confused Codes