AHA Coding Clinic® for HCPCS - 2005 Issue 1

Computed tomographic angiography (CTA) reimbursement issues

The following article is published by the American Hospital Association’s Central Office on HCPCS in collaboration with the American College of Radiology. Computed tomographic angiography (CTA), a less-invasive technique for imaging vessels (both arteries and veins), has gained widespread usage in clinical practice. Prior to the introduction of this new technique, vascular evaluation was performed primarily by invasive catheter angiography. CTA offers important advantages over conventional angiography, which only depicts the vascular lumen. With CTA, additional information is provided, including vessel wall thickness, relationship to adjacent structures, enhanced depiction of the venous anatomy, and parenchymal information about the...

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