# CPT 93451

> Medicare paid $789.53 for CPT 93451 in the office (non-facility) setting and $789.53 in a facility under the Q4 2014 Physician Fee Schedule, effective October 2014. These are the national allowed amounts before the ~2% sequestration cut and before locality (GPCI) adjustment.

## What it is

A catheter is threaded from a vein into the right side of the heart and the pulmonary artery to directly measure internal pressures, and, when performed, blood oxygen levels and cardiac output. It is a core diagnostic study for heart failure and pulmonary hypertension.

## Selected release

- Release: Q4 2014 (2014 D)
- Effective: October 1 – December 31, 2014
- Status indicator: A
- Office (non-facility) national allowed amount: $789.53
- Facility national allowed amount: $789.53
- Sequestration: not applied

## RVUs and formula

- Work RVU: 2.72
- Office (non-facility) practice expense RVU: 18.73
- Facility practice expense RVU: 18.73
- Malpractice RVU: 0.59
- Conversion factor: 35.8228
- Formula: `(work_rvu × work_gpci + pe_rvu × pe_gpci + mp_rvu × mp_gpci) × conversion_factor`

## Source and citation

- Source: Physician relative value file (Q4 2014)
- CMS file: https://www.cms.gov/medicare/medicare-fee-for-service-payment/physicianfeesched/downloads/rvu14d.zip
- Parsed file: PPRRVU14_V0815_v5.csv, row 14,934
- Canonical page: https://localishealth.com/cpt/93451/2014/B
- Release-specific citation URL: https://localishealth.com/cpt/93451/2014/D
- Last significant update: 2026-08-04T03:05:30+00:00