93451 Right heart catheter
Also known as: Right heart cath, RHC, pulmonary artery catheterization
Right heart catheterization with cannulation of right atrium, right ventricle, and pulmonary artery, measuring right-sided pressures and hemodynamics.
In Plain Language
right side heart tube; lung blood vessel pressure measurement; right heart function test
Clinical Context
Essential for diagnosis of pulmonary hypertension, evaluation of cardiogenic shock, assessment of right ventricular function, and determination of cardiac output and pulmonary vascular resistance. Critical in acute decompensated heart failure management.
RVU Breakdown
| Work RVU | 2.41 |
| Total RVU | 2.41 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Medicine section codes cover a wide range of non-surgical services. This code has a 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. Documentation should include the clinical indication, procedure details, interpretation (if applicable), and any patient-specific findings.
How This Code Compares
With a work RVU of 2.41, this code ranks in the 82nd percentile among Medicine codes — 3.1x the median (0.78). The highest wRVU in this category is 23.92.
Specialties
Frequently Asked Questions
What is CPT code 93451?
CPT 93451 (Right heart catheter) is a Medicine code. Right heart catheterization with cannulation of right atrium, right ventricle, and pulmonary artery, measuring right-sided pressures and hemodynamics.
Who uses CPT code 93451?
CPT 93451 is used by Cardiology, Critical Care Medicine, Internal Medicine. Essential for diagnosis of pulmonary hypertension, evaluation of cardiogenic shock, assessment of right ventricular function, and determination of cardiac output and pulmonary vascular resistance. Critical in acute decompensated heart failure management.
When is CPT 93451 used?
Essential for diagnosis of pulmonary hypertension, evaluation of cardiogenic shock, assessment of right ventricular function, and determination of cardiac output and pulmonary vascular resistance. Critical in acute decompensated heart failure management.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.