Non-prs chronic ulcer of right ankle w fat layer exposed

This code signifies a persistent, open sore on the right ankle that is not caused by pressure, with the ulceration extending through the skin layers to expose subcutaneous fat. It indicates a significant tissue defect requiring ongoing management.

Apply this code when documentation specifies a chronic, non-pressure ulcer located on the right ankle, and the deepest extent of tissue loss is clearly described as reaching the fat layer. This typically applies to venous stasis ulcers, arterial ulcers, or neuropathic ulcers (excluding diabetic) that have progressed to this depth.

• Ensure the documentation explicitly states "non-pressure" and specifies the right ankle.
• Verify the depth of the ulceration; "fat layer exposed" is crucial for this specific code.
• Distinguish from pressure ulcers (L89.-) and diabetic ulcers (E11.621-).