Summary & Overview
CPT 93451: Right Heart Catheterization with Oxygen Saturation and Cardiac Output
CPT code 93451 is a nationally recognized billing code for right heart catheterization, a procedure that measures oxygen saturation and cardiac output to evaluate cardiac function. This code is central to cardiac catheterization procedures performed in inpatient hospital settings, supporting the diagnosis and management of complex cardiovascular conditions. The publication covers major payers including Aetna, Blue Cross Blue Shield, Cigna Health, Medicare, and UnitedHealthcare, providing a comprehensive overview of payer coverage and policy considerations.
Readers will gain insight into clinical benchmarks, policy updates, and the broader context of right heart catheterization in the U.S. healthcare system. The summary includes information on common modifiers, associated physician taxonomies, relevant ICD-10 diagnoses, and related CPT codes, offering a holistic view of the billing and clinical landscape. This resource is designed to inform healthcare professionals, administrators, and policy analysts about the key aspects of CPT code 93451, its clinical significance, and payer coverage trends.
CPT Code Overview
CPT code 93451 represents a right heart catheterization procedure, which includes measurement(s) of oxygen saturation and cardiac output when performed. This procedure is a key component of cardiac catheterization procedures, allowing clinicians to assess hemodynamic status and cardiac function in patients with suspected or known cardiovascular disease. The typical site of service for this procedure is the inpatient hospital setting, designated as Place of Service 21. Right heart catheterization is essential for diagnosing and managing complex cardiac conditions, providing critical information for treatment planning and patient care.
Clinical & Coding Specifications
Clinical Context
A typical patient scenario involves an adult admitted to an inpatient hospital setting with symptoms suggestive of heart failure, pulmonary hypertension, or amyloidosis. The patient may present with shortness of breath, fatigue, or signs of fluid overload. The clinical workflow includes evaluation by a cardiovascular disease physician, interventional cardiologist, or internal medicine physician. The provider orders a right heart catheterization (93451) to directly measure intracardiac pressures, oxygen saturation, and cardiac output to assess the severity and etiology of the patient's condition. This procedure is essential for diagnosing and managing complex cardiac and pulmonary disorders.
Coding Specifications
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Modifiers:
26– Professional Component: Used when only the physician's interpretation and report are billed, not the facility or equipment.TC– Technical Component: Used when only the facility or equipment portion is billed, not the physician's interpretation.59– Distinct Procedural Service: Used to indicate that a procedure or service is distinct or independent from other services performed on the same day.
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Provider Taxonomies: