AMA CPT® Assistant - 1997 Issue 2 (February)

ThrombolyticTherapy: Coding the Treatment of a Thrombosed Arteriovenous Fistula (February 1997)

February 1997 pages 1-3 ThrombolyticTherapy: Coding the Treatment of a Thrombosed Arteriovenous Fistula In normal blood flow, blood travels from the arteries to the veins by way of the capillary networks. However, in certain abnormal conditions, the capillaries are bypassed and blood flows directly from the arterial system into the venous system. An abnormal bypass channel between an arterial lumen and a venous lumen is an arteriovenous fistula. A thrombosed arteriovenous fistula is an aggregation of blood factors, primarily platelets and fibrin with entrapment of cellular elements causing vascular obstruction (clot) at the point of formation. This condition can...

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