Non-prs chronic ulcer of unsp forearm with fat layer exposed

This code signifies a persistent, non-pressure-related open sore on an unspecified area of the forearm where the ulceration has progressed through the dermis and subcutaneous tissue, exposing the underlying adipose (fat) layer. It indicates a deep tissue loss that is not due to sustained pressure.

Apply this code when documentation specifies a chronic, non-pressure ulcer located on the forearm, and the deepest extent of tissue loss is clearly described as reaching the fat layer. This typically applies to ulcers resulting from conditions like venous insufficiency, arterial insufficiency, or neuropathic causes, but not decubitus ulcers.

• Ensure documentation explicitly states "non-pressure" and specifies the "fat layer exposed" to accurately assign this code.
• Do not use this code for pressure ulcers; instead, refer to the L89 category.
• Always look for laterality (left/right) if specified in the documentation; this code is for an unspecified forearm.