We have a question about reporting code 93571 (Intravascular Doppler velocity and/or pressure derived coronary flow reserve measurement (coronary vessel or graft) during coronary angiography including pharmacologically induced stress; initial vessel (List separately in addition to code for primary procedure) with a descriptor that includes "pharmacologically induced stress". Per CPT Assistant, December 2015, Volume 25 Issue 12, guidance indicated to report code 93571 with modifier 52 when no pharmacologically induced stress was performed (eg. iFR, DFR). Alternatively the AHA Editorial Advisory Board of Coding Clinic for HCPCS in September 2022 stated when FFR is performed with no pharmacologically induced stress, report code 93799. Which recommendation is the most appropriate way to report code 93571 when the physician did not perform pharmacologically induced stress as part of the procedure? ...

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Note:  The following article synopsis was NOT provided by the AMA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article discusses how two coding sources address reporting a coronary intravascular measurement service when pharmacologically induced stress was not performed. It explains that the issue involves differences between physician and facility reporting guidance, and notes that payer-specific policies may affect how the service is reported. The content is relevant to coders and billers working with cardiology, coronary angiography, and CPT/HCPCS guidance.

Why This Topic Matters

It highlights that coding guidance may differ depending on whether the claim is for physician or facility reporting, and that payer policies can further affect reporting choices. Understanding the distinction is important for selecting the appropriate source of guidance.

What You Will Learn

  • How the article frames reporting questions involving coronary physiology measurement services
  • How CPT Assistant and AHA Coding Clinic are positioned relative to physician and facility reporting
  • Why payer-specific guidance may matter in this scenario
  • Why differences between reporting contexts can affect modifier use

Who Should Read This

  • Medical coders
  • Billing staff
  • Cardiology practice administrators
  • Hospital outpatient coding staff
  • Revenue cycle professionals

Codes Discussed

Modifiers Discussed


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