Acute embolism and thrombosis of right femoral vein

This code signifies the sudden blockage of the right femoral vein by an embolus (a traveling clot) or a thrombus (a clot formed in situ). This acute vascular event obstructs blood flow, leading to potential swelling, pain, and warmth in the right lower extremity. It represents a critical condition requiring prompt medical intervention.

Apply this code when documentation clearly indicates an acute venous thromboembolism (VTE) affecting the right femoral vein. This diagnosis is typically supported by imaging studies such as duplex ultrasound, venography, or CT venography, confirming the presence and location of the clot.

• Differentiate from chronic thrombosis of the femoral vein, which has a separate code.
• Ensure the laterality (right) is explicitly documented; codes exist for left and unspecified femoral veins.
• Always sequence this code as a primary diagnosis when it is the reason for the encounter, or as a secondary diagnosis if it is a co-morbidity impacting treatment.