# CPT 93880

> Medicare paid $206.23 for CPT 93880 in the office (non-facility) setting and $206.23 in a facility under the Q1 2016 Physician Fee Schedule, effective January 2016. These are the national allowed amounts before the ~2% sequestration cut and before locality (GPCI) adjustment. This is a 0.5% increase from the previous quarter.

## What it is

A duplex ultrasound of both carotid arteries in the neck that combines anatomic imaging with blood-flow measurement to detect narrowing from plaque. It is a common stroke-risk screening and workup study.

## Selected release

- Release: Q1 2016 (2016 A)
- Effective: January 1 – March 31, 2016
- Status indicator: A
- Office (non-facility) national allowed amount: $206.23
- Facility national allowed amount: $206.23
- Sequestration: not applied

## RVUs and formula

- Work RVU: 0.80
- Office (non-facility) practice expense RVU: 4.87
- Facility practice expense RVU: 4.87
- Malpractice RVU: 0.09
- Conversion factor: 35.8043
- Formula: `(work_rvu × work_gpci + pe_rvu × pe_gpci + mp_rvu × mp_gpci) × conversion_factor`

## Source and citation

- Source: Physician relative value file (Q1 2016)
- CMS file: https://www.cms.gov/medicare/medicare-fee-for-service-payment/physicianfeesched/downloads/rvu16a.zip
- Parsed file: PPRRVU16_V0122.csv, row 15,466
- Canonical page: https://localishealth.com/cpt/93880/2016/A
- Release-specific citation URL: https://localishealth.com/cpt/93880/2016/A
- Last significant update: 2026-08-04T03:06:29+00:00