Summary & Overview
CPT 93453: Combined Right and Left Heart Catheterization with Ventriculography
Headline: CPT 93453: Combined Right and Left Heart Catheterization with Left Ventriculography
Lead: CPT 93453 defines a combined right and left heart catheterization procedure with intraprocedural injections for left ventriculography and associated imaging supervision and interpretation. The code reflects a comprehensive invasive cardiac assessment used to measure intracardiac pressures, assess pulmonary hemodynamics and evaluate left ventricular function.
This code matters nationally because it captures a commonly performed diagnostic procedure in cardiac care pathways—particularly for patients with suspected heart failure, cardiomyopathy or pulmonary hypertension—and informs billing, coverage and quality reporting across payers. Major payers covered in this summary include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare and Medicare.
Readers will find an overview of the code’s clinical purpose, the typical sites of service, common billing considerations including professional and technical component scenarios, and related CPT codes used in cardiac catheterization portfolios. The publication outlines applicable ICD-10 clinical contexts commonly associated with the procedure, shows how CPT 93453 relates to standalone right or left catheterization codes, and highlights common modifiers that affect component billing and multiple-procedure reporting. Where input data is incomplete, statements note that Data not available in the input. The summary is intended to support coding, coverage review and operational planning for clinicians and revenue cycle teams.
CPT Code Overview
CPT 93453 describes a combined right and left heart catheterization procedure that includes intraprocedural injection(s) for left ventriculography and imaging supervision and interpretation when performed. This procedure is part of cardiology / cardiac catheterization procedures and is used to evaluate hemodynamics and left ventricular function during invasive diagnostic assessment.
Typical site of service: Hospital outpatient or inpatient setting. If additional information about billing context or place-of-service codes is required, Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A 68-year-old patient with exertional dyspnea, suspected pulmonary hypertension and suspected left ventricular dysfunction is admitted for invasive hemodynamic assessment. The interventional cardiology team performs a combined right and left heart catheterization to measure right- and left-sided pressures, cardiac output, and to perform left ventriculography during intraprocedural contrast injection. The procedure is performed in a hospital catheterization lab with monitoring by nursing and radiology technologists; imaging supervision and interpretation are documented by the physician. Findings guide diagnosis and management for conditions such as pulmonary hypertension, cardiomyopathy, or suspected post-infarction ventricular dysfunction.
Coding Specifications
-
Modifier
26: Professional component — Use when billing the physician’s interpretation and reporting of the procedure separately from technical facility resources. -
Modifier
TC: Technical component — Use when billing only the facility’s technical resources (equipment, technologist, radiology suite) for the procedure. -
Modifier
59: Distinct Procedural Service — Use when this procedure is separate and distinct from other services performed on the same day that would otherwise be considered bundled; documentation must support a separate procedural service. -
Modifier
51: Multiple Procedures — Use when multiple procedures are performed during the same session; appropriate when reporting more than one separate CPT procedure and payer policy requires this modifier.