78445 Vascular flow imaging
Also known as: vascular imaging, blood flow study
Vascular flow imaging performed using nuclear medicine to assess blood vessel patency and perfusion.
In Plain Language
blood vessel imaging; circulation test
Clinical Context
Evaluates vascular patency, detects thrombosis, and assesses perfusion to organs. Used in extremity and cerebral circulation.
RVU Breakdown
| Work RVU | 0.48 |
| Total RVU | 0.48 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Radiology codes require a written order, clinical indication, and a formal interpretation report. The professional component (modifier -26) and technical component (modifier -TC) may be billed separately.
How This Code Compares
With a work RVU of 0.48, this code ranks in the 28th percentile among Radiology codes — 1.7x below the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 78445?
CPT 78445 (Vascular flow imaging) is a Radiology code. Vascular flow imaging performed using nuclear medicine to assess blood vessel patency and perfusion.
Who uses CPT code 78445?
CPT 78445 is used by Nuclear Medicine, Vascular Surgery, Radiology. Evaluates vascular patency, detects thrombosis, and assesses perfusion to organs. Used in extremity and cerebral circulation.
When is CPT 78445 used?
Evaluates vascular patency, detects thrombosis, and assesses perfusion to organs. Used in extremity and cerebral circulation.
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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.