2025 ICD-10-CM code T69.02
Immersion foot (also known as trench foot).
The seventh character is used to specify the encounter (A = initial encounter, D = subsequent encounter, S = sequela).Laterality should be specified using the appropriate code extensions (e.g., T69.021 for right foot, T69.022 for left foot, T69.029 for unspecified foot).
Medical necessity for the treatment of immersion foot is established by the presence of signs and symptoms of the condition, such as pain, numbness, swelling, and discoloration. Treatment is necessary to prevent further tissue damage and complications, such as infection and gangrene.Documentation should support the medical necessity of the services provided.
Physicians diagnosing and treating immersion foot should document the duration and circumstances of exposure to cold and wet conditions, the extent of tissue damage, and any associated symptoms. They should also consider the patient's overall health and any other medical conditions when developing a treatment plan.
In simple words: Immersion foot, or trench foot, is a condition that happens when your feet are cold and wet for a long time. The cold and wet damage the skin and tissue of your feet.
Immersion foot is a non-freezing cold injury resulting from prolonged exposure to cold and wet conditions. It affects the skin and can cause damage due to constricted blood vessels, reduced oxygen supply, nutrient loss, and toxin buildup.
Example 1: A hiker develops immersion foot after walking through cold streams for several hours. The physician diagnoses the condition based on the patient's symptoms and exposure history., A homeless individual presents with immersion foot due to prolonged exposure to cold and wet weather conditions. The physician provides treatment and resources for shelter., A worker in a cold storage facility develops immersion foot due to inadequate protective footwear. The physician recommends appropriate footwear and work practices to prevent recurrence.
** Immersion foot can range in severity from mild to severe.Mild cases may only involve skin discoloration and some discomfort, while severe cases can result in blistering, ulceration, gangrene, and even amputation.Prompt treatment is essential to prevent long-term complications.
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