CPT® Code 93542

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1. Indications

The injection procedure represented by CPT® Code 93542 is indicated for specific clinical scenarios involving the right side of the heart. The following conditions may warrant the use of this procedure:

• Evaluation of Right Heart Function This procedure is performed to assess the function and structure of the right ventricle and right atrium, particularly in patients with suspected heart disease or dysfunction.
• Diagnosis of Congenital Heart Defects It is utilized in the diagnosis of congenital anomalies affecting the right heart structures, allowing for detailed visualization of any abnormalities.
• Assessment of Pulmonary Hypertension The procedure aids in evaluating patients with suspected pulmonary hypertension by providing critical information about right heart pressures and function.
• Investigation of Cardiac Symptoms It is indicated for patients presenting with unexplained cardiac symptoms, such as shortness of breath or chest pain, where right heart pathology is suspected.

2. Procedure

The procedure associated with CPT® Code 93542 involves several critical steps to ensure accurate visualization of the right heart structures. The following outlines the procedural steps:

• Step 1: Catheter Insertion A catheter is introduced into the patient's vascular system, typically through the femoral vein, and advanced towards the right side of the heart. This step is crucial as it establishes access to the right atrium and right ventricle.
• Step 2: Catheter Positioning Once the catheter is in place, it is carefully maneuvered to position it within the right atrium or right ventricle. Proper positioning is essential for the subsequent injection of contrast media and accurate imaging.
• Step 3: Injection of Contrast Media After the catheter is correctly positioned, a contrast agent is injected through the catheter. This contrast media enhances the visibility of the right heart structures during imaging.
• Step 4: Angiography Imaging Following the injection, angiographic images are obtained. These images allow for the visualization of the right ventricle and/or right atrium, providing valuable diagnostic information regarding the heart's anatomy and function.

3. Post-Procedure

After the completion of the injection procedure for selective right ventricular or right atrial angiography, several post-procedure care considerations are important. Patients are typically monitored for any immediate complications, such as bleeding or adverse reactions to the contrast media. Vital signs are closely observed, and the access site is checked for hematoma or other issues. Depending on the patient's condition and the extent of the procedure, they may be advised to rest for a period before resuming normal activities. Follow-up imaging or assessments may be scheduled to evaluate the findings from the angiography and to determine any necessary further interventions or treatments.