CPT® Code 0151T | Case2Code

Code deleted, see 75571-75574

Official Description

Computed tomography, heart, with contrast material(s), including noncontrast images, if performed, cardiac gating and 3D image postprocessing, function evaluation (left and right ventricular function, ejection-fraction and segmental wall motion) (List separately in addition to code for primary procedure)

Common Language Description

The CPT® Code 0151T refers to a specialized imaging procedure known as computed tomography (CT) of the heart, which utilizes contrast material to enhance the quality of the images obtained. This procedure is designed to provide detailed insights into the heart's structure and function. During a CT scan, multiple narrow beams of x-ray are directed around a single rotational axis, capturing a series of two-dimensional images from various angles. These images are then processed by a computer to create a three-dimensional representation of the heart, allowing for thin, cross-sectional slices that reveal intricate details of cardiac anatomy. The use of contrast material is crucial as it improves the visibility of the heart's structures, enabling better assessment of conditions affecting the heart. In addition to the imaging capabilities, this procedure incorporates cardiac gating, a technique that synchronizes the imaging process with the heart's rhythm. This method addresses the challenge of capturing clear images of the heart while it is in motion, as the heart cannot be stopped during the scan. By turning the scanner on only during brief moments when the heart is at rest, high-resolution images are produced, significantly reducing the radiation exposure to the patient. The evaluation of cardiac function is a key component of this procedure, focusing on both left and right ventricular function. The left ventricle's performance is critical as it pumps oxygen-rich blood into the arteries, while the right ventricle is responsible for sending blood to the lungs for oxygenation. The ejection fraction, a vital measurement derived from this evaluation, indicates the percentage of blood ejected from the ventricle with each heartbeat, providing insight into the heart's pumping efficiency. Additionally, the assessment of regional wall motion abnormalities helps identify areas of myocardial ischemia, which can indicate underlying cardiac issues. Overall, CPT® Code 0151T encompasses a comprehensive cardiac CT imaging process that includes contrast material, noncontrast images if performed, cardiac gating, three-dimensional image postprocessing, and a thorough evaluation of cardiac function.

1. Indications

The procedure associated with CPT® Code 0151T is indicated for various clinical scenarios where detailed imaging of the heart is necessary. The following conditions may warrant the use of this advanced imaging technique:

Assessment of Cardiac Function - This procedure is utilized to evaluate the performance of the left and right ventricles, providing critical information on how effectively the heart pumps blood.
Evaluation of Ejection Fraction - It is indicated for measuring the ejection fraction, which is essential for determining the heart's pumping efficiency and overall function.
Detection of Myocardial Ischemia - The procedure aids in identifying regional wall motion abnormalities that may suggest areas of reduced blood flow to the heart muscle, indicating potential ischemic conditions.
Preoperative Assessment - It may be indicated prior to surgical interventions to provide a comprehensive view of cardiac anatomy and function.
Follow-Up of Known Cardiac Conditions - This imaging technique is useful for monitoring patients with existing heart conditions to assess any changes in cardiac function or structure over time.

2. Procedure

The procedure associated with CPT® Code 0151T involves several key steps that ensure comprehensive imaging and evaluation of the heart. The following outlines the procedural steps:

Preparation for the CT Scan - The patient is prepared for the procedure, which may include fasting and the administration of contrast material. The healthcare provider will explain the process and obtain informed consent.
Administration of Contrast Material - If indicated, contrast material is injected into the patient's bloodstream to enhance the visibility of the heart structures during imaging. This step is crucial for obtaining clear and detailed images.
Cardiac Gating Setup - The imaging system is configured for cardiac gating, which involves synchronizing the CT scanner with the patient's heartbeat. This ensures that images are captured at optimal moments when the heart is at rest, minimizing motion artifacts.
Image Acquisition - The CT scanner rotates around the patient, capturing multiple two-dimensional images of the heart from various angles. The scanner may remain off during the heart's contraction phase and activate during diastole to obtain sharp images.
3D Image Reconstruction - The acquired images are processed by a computer to create a three-dimensional reconstruction of the heart. This allows for detailed visualization of cardiac structures and assessment of function.
Evaluation of Cardiac Function - The resulting images are analyzed to evaluate left and right ventricular function, calculate ejection fraction, and assess segmental wall motion. This comprehensive evaluation provides critical insights into the heart's performance.

3. Post-Procedure

After the completion of the procedure associated with CPT® Code 0151T, the patient may be monitored for a short period to ensure there are no immediate adverse reactions to the contrast material. It is common for patients to experience some mild side effects, such as a warm sensation during the contrast injection. The healthcare provider will review the images and findings, which may be discussed with the patient in a follow-up appointment. Patients are typically advised to hydrate adequately post-procedure to help flush the contrast material from their system. Any specific post-procedure care instructions will be provided based on the individual patient's needs and the findings from the imaging study.

Short Descr	CT HEART FUNCT ADD-ON
Medium Descr	CT HEART FUNCT ADD-ON
Long Descr	CT HRT FUNCTION EVALUATION
APC Status Indicator	Significant Procedure, Not Discounted When Multiple
Type of Service (TOS)	4 - Diagnostic Radiology
Berenson-Eggers TOS (BETOS)	none
MUE	Not applicable/unspecified.
CCS Clinical Classification	180 - Other CT scan