AHA Coding Clinic® for HCPCS - 2022 Issue 3; Ask the Editor

Clarification: kFR performed without pharmacologically induced stress during coronary angiography

ClarificationIt has been requested that the Central Office on HCPCS reconsider the advice published in Coding Clinic for HCPCS, Fourth Quarter 2021, Page 11, regarding assignment of the unlisted CPT code 93799, Unlisted cardiovascular service or procedure, to capture an add-on code for instantaneous wave-free ratio (iFR®) performed without pharmacologic stress agent. Instead, the requestors recommend consideration of Modifiers 52, Reduced Services, or 74, Discontinued Out-Patient Hospital/Ambulatory Surgery Center (ASC) Procedure After Administration of Anesthesia, with CPT code 93571, Intravascular Doppler velocity and/or pressure derived coronary flow reserve measurement (coronary vessel or graft) during coronary angiography including pharmacologically...

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