L98.418
ICD-10-CMNon-pressure chronic ulcer of buttock with other specified severity
This code signifies a persistent, open sore on the buttock that is not caused by pressure. It indicates a chronic ulceration where the specific severity, such as muscle or bone involvement, is documented but does not fit into other defined categories. This condition often results from underlying systemic diseases, vascular insufficiency, or trauma.
Use this code when documentation clearly states a non-pressure chronic ulcer located on the buttock, and the severity is described in a way that doesn't align with stages 1-4 or unstageable. This includes descriptions like "deep tissue injury," "full-thickness skin loss with exposed subcutaneous tissue," or "ulcer extending to fascia" without explicit bone or muscle involvement. Supporting documentation should include physician notes detailing the ulcer's location, chronicity, non-pressure etiology, and specific depth/severity.
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