AMA CPT® Assistant - 2015 Issue 12 (December)
Medicine: Cardiovascular System (Bonus Q&A) (December 2015)
December 2015 page 19b Medicine: Cardiovascular System Question: When performing heart catheterizations, a new pressure guidewire is used to measure the fractional flow reserve (FFR) in coronary arteries without the use of a pharmacologic stress agent, such as adenosine. This is referred to as instantaneous wave-free ratio (iFR). Is it appropriate to report code 93571 and code 93572 with modifier 52 appended to indicate a reduced service for the iFR? Answer: Yes, new software allows the pressure wire to measure FFR in coronary arteries without the use of a pharmacological stress agent. These studies are referred to as iFR...
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