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Official Description

Injection procedure during cardiac catheterization including imaging supervision, interpretation, and report; for selective coronary angiography during congenital heart catheterization (List separately in addition to code for primary procedure)

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 93563 refers to an injection procedure that is performed during cardiac catheterization, specifically for the purpose of selective coronary angiography in patients with congenital heart anomalies. This procedure involves the use of imaging supervision, interpretation, and the generation of a report. In simpler terms, it entails the injection of contrast media into the coronary arteries to visualize their structure and function. The procedure is critical for assessing the condition of the coronary arteries in patients who have congenital heart defects, which may affect the normal anatomy and blood flow. During the procedure, a catheter is carefully positioned within the coronary artery, allowing for the selective opacification of the native coronary arteries. This means that the arteries can be filled with contrast material, making them visible on imaging studies. The physician then obtains selective angiograms, which are detailed images of the coronary arteries, to evaluate their condition. If further evaluation is necessary, the catheter can be repositioned to access additional coronary arteries, and the injection process is repeated. After the angiograms are obtained, the physician reviews the images and provides a written interpretation of the findings. It is important to note that this code is reported separately in addition to the primary procedure code for the cardiac catheterization, highlighting its role as a supplementary procedure in the overall evaluation and management of congenital heart conditions.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The procedure associated with CPT® Code 93563 is indicated for patients with congenital heart anomalies who require detailed evaluation of their coronary arteries. The following conditions may warrant the use of this procedure:

  • Congenital Heart Defects Patients with structural heart abnormalities that may affect coronary artery anatomy and function.
  • Coronary Artery Evaluation Situations where there is a need to assess the patency and morphology of the coronary arteries.
  • Preoperative Assessment Evaluation of coronary arteries prior to surgical interventions for congenital heart disease.
  • Postoperative Evaluation Assessment of coronary artery status in patients who have undergone previous cardiac surgeries.

2. Procedure

The procedure for CPT® Code 93563 involves several critical steps to ensure accurate visualization of the coronary arteries. The following outlines the procedural steps:

  • Step 1: Catheter Placement A catheter is introduced into the vascular system and navigated to the coronary arteries. This step is crucial as it allows for direct access to the arteries that need to be evaluated.
  • Step 2: Injection of Contrast Media Once the catheter is correctly positioned within the coronary artery, contrast media is injected. This substance enhances the visibility of the arteries during imaging, allowing for clear delineation of their structure.
  • Step 3: Imaging Acquisition Following the injection, imaging studies are performed to capture the selective angiograms. These images provide detailed information about the anatomy and any potential abnormalities present in the coronary arteries.
  • Step 4: Catheter Repositioning (if necessary) If additional coronary arteries require evaluation, the catheter is repositioned to access these areas. The injection and imaging process is repeated for each artery that needs to be assessed.
  • Step 5: Interpretation and Reporting After all necessary angiograms have been obtained, the physician reviews the images and prepares a written interpretation of the findings. This report is essential for guiding further management and treatment decisions.

3. Post-Procedure

Post-procedure care following the injection procedure for selective coronary angiography includes monitoring the patient for any immediate complications related to the catheterization and contrast injection. Patients may be observed for signs of bleeding, infection, or adverse reactions to the contrast media. Additionally, the physician will review the angiographic findings and discuss the results with the patient, outlining any further diagnostic or therapeutic steps that may be necessary based on the interpretation of the angiograms. Recovery time may vary depending on the patient's overall condition and the complexity of the procedure performed.

Short Descr NJX CGEN CAR CTH SLCTV C ANG
Medium Descr NJX DRG CGEN C-CATHJ SLCTV CORONARY ANGRPH S&I
Long Descr Injection procedure during cardiac catheterization including imaging supervision, interpretation, and report; for selective coronary angiography during congenital heart catheterization (List separately in addition to code for primary procedure)
Status Code Active Code
Global Days ZZZ - Code Related to Another Service
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 0 - No payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Items and Services Packaged into APC Rates
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P2F - Major procedure, cardiovascular-Other
MUE 1
CCS Clinical Classification 47 - Diagnostic cardiac catheterization, coronary arteriography

This is an add-on code that must be used in conjunction with one of these primary codes.

33741 Modifier 63 Exempt MPFS Status: Active Code APC C Transcatheter atrial septostomy (TAS) for congenital cardiac anomalies to create effective atrial flow, including all imaging guidance by the proceduralist, when performed, any method (eg, Rashkind, Sang-Park, balloon, cutting balloon, blade)
33745 MPFS Status: Active Code APC C Transcatheter intracardiac shunt (TIS) creation by stent placement for congenital cardiac anomalies to establish effective intracardiac flow, including all imaging guidance by the proceduralist, when performed, left and right heart diagnostic cardiac catheterization for congenital cardiac anomalies, and target zone angioplasty, when performed (eg, atrial septum, Fontan fenestration, right ventricular outflow tract, Mustard/Senning/Warden baffles); initial intracardiac shunt
93582 MPFS Status: Active Code APC J1 Percutaneous transcatheter closure of patent ductus arteriosus
93593 MPFS Status: Carrier Priced APC J1 Right heart catheterization for congenital heart defect(s) including imaging guidance by the proceduralist to advance the catheter to the target zone; normal native connections
93594 MPFS Status: Carrier Priced APC J1 Right heart catheterization for congenital heart defect(s) including imaging guidance by the proceduralist to advance the catheter to the target zone; abnormal native connections
93595 MPFS Status: Carrier Priced APC J1 Left heart catheterization for congenital heart defect(s) including imaging guidance by the proceduralist to advance the catheter to the target zone, normal or abnormal native connections
93596 MPFS Status: Carrier Priced APC J1 Right and left heart catheterization for congenital heart defect(s) including imaging guidance by the proceduralist to advance the catheter to the target zone(s); normal native connections
93597 MPFS Status: Carrier Priced APC J1 Right and left heart catheterization for congenital heart defect(s) including imaging guidance by the proceduralist to advance the catheter to the target zone(s); abnormal native connections
92973 Addon Code Resequenced Code MPFS Status: Active Code APC N CPT Assistant Article Illustration for Code Percutaneous transluminal coronary thrombectomy mechanical (List separately in addition to code for primary procedure)
92978 Addon Code CPT Resequenced MPFS Status: Carrier Priced APC N ASC N1 CPT Assistant Article Illustration for Code Endoluminal imaging of coronary vessel or graft using intravascular ultrasound (IVUS) or optical coherence tomography (OCT) during diagnostic evaluation and/or therapeutic intervention including imaging supervision, interpretation and report; initial vessel (List separately in addition to code for primary procedure)
93571 Addon Code MPFS Status: Carrier Priced APC N ASC N1 CPT Assistant Article 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)
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.
80 Assistant surgeon: surgical assistant services may be identified by adding modifier 80 to the usual procedure number(s).
82 Assistant surgeon (when qualified resident surgeon not available): the unavailability of a qualified resident surgeon is a prerequisite for use of modifier 82 appended to the usual procedure code number(s).
GC This service has been performed in part by a resident under the direction of a teaching physician
XP Separate practitioner, a service that is distinct because it was performed by a different practitioner
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
2023-01-01 Note Short and medium descriptions changed.
2022-01-01 Changed First appearance of guideline addition in codebook.
2021-06-07 Changed Guideline added per CPT errata.
2017-01-01 Changed Moderate (Conscious) Sedation flag removed. See new Moderate Sedation category.
2011-01-01 Added Added
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