AHA Coding Clinic® for HCPCS - 2021 Quarter 4; Ask the Editor
Instantaneous wave-free ratio (iFR) without pharmacologic stress agent
A patient with an abnormal coronary computed tomography angiography (CCTA) presents for a coronary angiography, an instantaneous wave-free ratio (iFR), and an intravascular ultrasound (IVUS). A left and right coronary artery angiography were performed. IVUS of the ostial left anterior descending artery (LAD) demonstrated non-significant disease. The iFR of the ostial/proximal LAD was negative. However, the iFR was performed without the administration of the pharmacologic stress agent. For facility reporting, is it appropriate to append modifier 52, Reduced Services or modifier 74, Discontinued Out-Patient Hospital/Ambulatory Surgery Center (ASC) Procedure After Administration of Anesthesia, to CPT code 93571 for the iFR when the pharmacologic stress agent was not administered? ...
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Article Overview
This article discusses a facility coding scenario involving coronary angiography, coronary physiologic assessment, and intravascular ultrasound in the setting of abnormal coronary computed tomography angiography. It focuses on whether certain modifiers may be considered for a coronary physiologic assessment code when a pharmacologic stress agent was not given, and it also references unlisted cardiovascular procedure coding. The content is relevant to hospital outpatient and ASC coding staff, cardiovascular procedural coders, and reimbursement-focused reviewers who need to understand how this type of scenario is addressed in the premium guidance.
Why This Topic Matters
Coronary cath lab encounters can involve multiple services with nuanced reporting questions, especially when a planned physiologic measurement is affected by whether stress-related medication is administered. Accurate understanding of the article helps coders recognize the relevant code sets and the general reporting issue without relying on assumptions.
What You Will Learn
- How the article frames a coronary angiography case involving physiologic assessment and intravascular ultrasound.
- What general reporting issue is raised when a pharmacologic stress agent is not administered.
- Why modifier usage and unlisted cardiovascular procedure coding are part of the discussion.
- How the scenario relates to facility reporting in a coronary procedure setting.
Who Should Read This
- Hospital outpatient coders
- ASC coders
- Cardiovascular procedural coders
- Revenue cycle and reimbursement staff
- Coding educators and auditors
Codes Discussed
Modifiers Discussed
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