L97.523

Clinical Causes: Poor blood circulation due to peripheral arterial disease Diabetes mellitus leading to neuropathy and vascular complications Repeated trauma or minor injuries on the foot that do not heal properly Infections that compromise tissue integrity Smoking, which impairs blood flow and tissue repair Certain autoimmune or vascular conditions that affect skin and tissue health

Key Symptoms: A persistent open sore on the foot that fails to heal over weeks or months Presence of dead (necrotic) muscle tissue within the ulcer Swelling, redness, or warmth around the wound Discharge or foul smell from the ulcer, indicating infection Pain or tenderness around the affected area Possible black or darkened tissue within the ulcer due to necrosis Reduced sensation in the affected foot, especially in diabetic individuals

Diagnosis Path: Physical examination of the foot to assess the size, depth, and extent of tissue damage Imaging studies such as X-rays to evaluate bone involvement or osteomyelitis Blood tests to identify infection or underlying conditions like diabetes Wound cultures to detect bacterial infections Assessment of blood flow, including Doppler ultrasound or ankle-brachial index Biopsy may be performed to determine the extent of tissue necrosis for treatment planning

Treatment Protocols: Debridement of necrotic tissue to promote healing and prevent infection spread Control of infection with appropriate antibiotics if infections are present Improving blood flow to the affected area through medications or surgical procedures Managing underlying health conditions such as diabetes or vascular disease Applying specialized wound dressings that promote a moist healing environment Off-loading techniques to reduce pressure on the ulcer site Surgical options, including skin grafts or flap procedures, in severe cases Regular wound monitoring and multidisciplinary care to prevent recurrence