This test is ordered for symptoms or conditions such as:
🦵 Leg swelling (unilateral or bilateral)
🔴 Pain or tenderness along a vein
🌡️ Skin redness, warmth, or discoloration
🦶 Non-healing leg ulcers or varicose veins
🧪 Suspected DVT or superficial thrombophlebitis
🔄 Chronic venous insufficiency (CVI)
🏥 Pre- or post-surgical vascular evaluation
🧬 Clotting disorders or long immobility (e.g., travel, bed rest)