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Code Deleted. See 75580.

Official Description

Noninvasive estimated coronary fractional flow reserve (FFR) derived from coronary computed tomography angiography data using computation fluid dynamics physiologic simulation software analysis of functional data to assess the severity of coronary artery disease; data preparation and transmission, analysis of fluid dynamics and simulated maximal coronary hyperemia, generation of estimated FFR model, with anatomical data review in comparison with estimated FFR model to reconcile discordant data, interpretation and report

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 0501T refers to a noninvasive procedure that estimates the coronary fractional flow reserve (FFR) derived from data obtained through coronary computed tomography angiography (CCTA). This procedure utilizes advanced computational fluid dynamics physiologic simulation software to analyze functional data, which is essential for assessing the severity of coronary artery disease. The estimated FFR measurement is crucial as it evaluates the degree of ischemia caused by coronary stenosis, thereby aiding in the decision-making process regarding the potential benefits of surgical revascularization versus medical management. The process begins with the acquisition of images from CCTA, which are then used to construct a digital model of the coronary arteries. This model incorporates patient-specific inflow and outflow conditions that reflect the unique physiology of the patient during peak hyperemia, a state of maximum blood flow. The FFR is calculated across the entire coronary vascular tree using computational fluid dynamics, integrating data from coronary anatomy, physiology, and the fluid dynamics simulation. This comprehensive approach allows for an accurate calculation of coronary artery blood flow and pressure under conditions of maximum hyperemia. The code 0501T encompasses the entire process, including data preparation and transmission, analysis of fluid dynamics, generation of the estimated FFR model, and the subsequent review and interpretation of anatomical data in relation to the estimated FFR model to resolve any discrepancies. This detailed reporting is essential for healthcare professionals involved in the diagnosis and treatment of coronary artery disease.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The noninvasive estimated coronary fractional flow reserve (FFR) procedure is indicated for the evaluation of patients with suspected or known coronary artery disease. It is particularly useful in the following scenarios:

  • Assessment of Ischemia: To evaluate the severity of ischemia caused by coronary stenosis, which can guide treatment decisions.
  • Decision-Making for Revascularization: To help predict the potential benefits of surgical revascularization versus medical management in patients with coronary artery disease.
  • Coronary Anatomy Evaluation: To provide a detailed analysis of coronary anatomy in conjunction with functional data derived from CCTA.

2. Procedure

The procedure for obtaining a noninvasive estimated coronary fractional flow reserve (FFR) involves several key steps:

  • Step 1: Data Acquisition from CCTA: The process begins with the acquisition of high-resolution images of the coronary arteries through coronary computed tomography angiography (CCTA). These images provide the necessary anatomical details required for further analysis.
  • Step 2: Digital Model Construction: Using the images obtained from CCTA, a digital model of the coronary arteries is constructed. This model is essential for simulating blood flow and pressure dynamics within the coronary vascular system.
  • Step 3: Establishing Physiological Conditions: Patient-specific inflow and outflow conditions are established to reflect the unique coronary physiology during peak hyperemia, which is the state of maximum blood flow through the coronary arteries.
  • Step 4: Computational Fluid Dynamics Analysis: The computational fluid dynamics software is employed to analyze the functional data, allowing for the calculation of the estimated FFR across the entire coronary vascular tree. This analysis integrates the anatomical and physiological data to assess blood flow and pressure under maximum hyperemia conditions.
  • Step 5: Data Reconciliation: The estimated FFR model is generated, and an anatomical data review is conducted in comparison with the estimated FFR model. This step is crucial for reconciling any discordant data that may arise during the analysis.
  • Step 6: Interpretation and Reporting: Finally, the results of the analysis are interpreted, and a comprehensive report is generated. This report includes the estimated FFR values and any relevant findings that can assist in clinical decision-making.

3. Post-Procedure

Post-procedure care for patients undergoing the noninvasive estimated coronary fractional flow reserve (FFR) assessment typically involves monitoring for any immediate complications, although the procedure is noninvasive and generally well-tolerated. Patients may be advised to follow up with their healthcare provider to discuss the results of the FFR analysis and any subsequent treatment options based on the findings. It is important for healthcare professionals to ensure that patients understand the implications of the results and the next steps in their management plan.

Short Descr COR FFR DERIVED COR CTA DATA
Medium Descr COR FFR DERIVED CTA DATA ASSESS COR ART DISEASE
Long Descr Noninvasive estimated coronary fractional flow reserve (FFR) derived from coronary computed tomography angiography data using computation fluid dynamics physiologic simulation software analysis of functional data to assess the severity of coronary artery disease; data preparation and transmission, analysis of fluid dynamics and simulated maximal coronary hyperemia, generation of estimated FFR model, with anatomical data review in comparison with estimated FFR model to reconcile discordant data, interpretation and report
Status Code Carriers Price the Code
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 4 - Global Test Only Code
Multiple Procedures (51) 9 - Concept does not apply.
Bilateral Surgery (50) 9 - Concept does not apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 9 - Concept does not apply.
Co-Surgeons (62) 9 - Concept does not apply.
Team Surgery (66) 9 - Concept does not apply.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Items and Services Not Billable to the MAC
Berenson-Eggers TOS (BETOS) none
MUE Not applicable/unspecified.
X5 Diagnostic services requested by another clinician: for reporting services by a clinician who furnishes care to the patient only as requested by another clinician or subsequent and related services requested by another clinician; this modifier is reported for patient relationships that may not be adequately captured by the above alternative categories; reporting clinician service examples include but are not limited to, the radiologist's interpretation of an imaging study requested by another clinician
GC This service has been performed in part by a resident under the direction of a teaching physician
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
CC Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed)
GA Waiver of liability statement issued as required by payer policy, individual case
GZ Item or service expected to be denied as not reasonable and necessary
MC Ordering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of electronic health record or clinical decision support mechanism vendor issues
ME The order for this service adheres to appropriate use criteria in the clinical decision support mechanism consulted by the ordering professional
MG The order for this service does not have applicable appropriate use criteria in the qualified clinical decision support mechanism consulted by the ordering professional
MH Unknown if ordering professional consulted a clinical decision support mechanism for this service, related information was not provided to the furnishing professional or provider
PD Diagnostic or related non diagnostic item or service provided in a wholly owned or operated entity to a patient who is admitted as an inpatient within 3 days
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
Date
Action
Notes
2023-12-31 Deleted Code Deleted. See 75580.
2018-01-01 Added Code Added.
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