Non-pressure chronic ulcer of left thigh w necrosis of bone

This code signifies a persistent, open sore on the left thigh that is not caused by pressure, and has progressed to involve the underlying bone tissue, which has died. It indicates a severe stage of ulceration requiring significant medical intervention.

Apply this code when documentation explicitly states a non-pressure chronic ulcer located on the left thigh with confirmed necrosis of the bone. This typically occurs in patients with underlying conditions like peripheral arterial disease, diabetes, or venous insufficiency, leading to poor wound healing.

• Ensure documentation specifies "non-pressure" to differentiate from pressure ulcers.
• Confirm the laterality is "left thigh" and the depth of involvement is "necrosis of bone."
• Always code any underlying systemic disease (e.g., diabetes mellitus with complications) first, as this code is a manifestation code.