93880 Extracranial bilateral study
Also known as: carotid duplex, extracranial duplex scan, bilateral carotid ultrasound
Duplex scan of extracranial arteries performed bilaterally on both sides of the head and neck to evaluate carotid and vertebral artery patency and hemodynamics.
In Plain Language
neck blood vessel ultrasound; carotid artery ultrasound; stroke risk assessment ultrasound
Clinical Context
Used to detect carotid artery stenosis, dissection, or occlusion in patients with stroke risk factors, prior transient ischemic attack, or cerebrovascular symptoms.
RVU Breakdown
| Work RVU | 0.78 |
| Total RVU | 0.78 |
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. 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 0.78, this code ranks in the 50th percentile among Medicine codes — exactly at the median. The highest wRVU in this category is 23.92.
Specialties
Frequently Asked Questions
What is CPT code 93880?
CPT 93880 (Extracranial bilateral study) is a Medicine code. Duplex scan of extracranial arteries performed bilaterally on both sides of the head and neck to evaluate carotid and vertebral artery patency and hemodynamics.
Who uses CPT code 93880?
CPT 93880 is used by Vascular Surgery, Neurology, Radiology. Used to detect carotid artery stenosis, dissection, or occlusion in patients with stroke risk factors, prior transient ischemic attack, or cerebrovascular symptoms.
When is CPT 93880 used?
Used to detect carotid artery stenosis, dissection, or occlusion in patients with stroke risk factors, prior transient ischemic attack, or cerebrovascular symptoms.
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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.