Chronic embolism and thrombosis of femoral vein, bilateral

This code signifies the presence of a persistent blood clot or blockage within both femoral veins. This condition is long-standing, as opposed to acute, and obstructs normal blood flow in the upper leg. It can lead to chronic venous insufficiency, pain, and swelling.

Apply this code when documentation clearly indicates a chronic, bilateral thrombotic or embolic event affecting the femoral veins. This typically follows an acute event that has not resolved, or a condition with a prolonged duration. Supporting documentation includes imaging reports (e.g., duplex ultrasound, venography) confirming chronic thrombus and physician notes detailing the bilateral and chronic nature.

• Distinguish carefully between acute (I82.41-) and chronic (I82.51-) conditions; documentation must specify chronicity.
• Ensure laterality is explicitly documented as bilateral; avoid using unspecified laterality codes if bilateral involvement is known.
• Always review for any underlying causes or associated conditions (e.g., thrombophilia, malignancy) that may require additional coding.