Phlebitis and thrombophlebitis of superficial vessels of lower extremities

This code describes inflammation of a superficial vein in the lower extremities, often accompanied by the formation of a blood clot within the vein. It typically presents as a painful, red, and tender cord-like structure under the skin of the leg or foot. This condition is generally less severe than deep vein thrombosis (DVT) but still requires medical attention.

Use this code when documentation explicitly states superficial phlebitis or thrombophlebitis affecting the veins of the leg or foot. This diagnosis is supported by physical examination findings such as localized pain, erythema, warmth, and a palpable venous cord. It is also appropriate when a physician's note confirms the superficial nature of the thrombophlebitis, distinguishing it from deeper venous involvement.

• Differentiate carefully from deep vein thrombosis (DVT) of the lower extremities, which is coded differently and has more serious implications.
• Ensure the documentation specifies "superficial vessels" and "lower extremities" to accurately assign this code.
• Consider any underlying causes or associated conditions, such as varicose veins or trauma, for additional coding if documented.