78707 K flow/funct image without drug
Also known as: renal flow-function imaging, blood flow/function study
Nuclear medicine imaging of kidney to assess blood flow and function without pharmaceutical agent administration.
In Plain Language
kidney function test without medication; kidney perfusion and function scan
Clinical Context
Assesses renal perfusion and function without pharmacologic intervention; useful baseline for comparing with pharmacologically-enhanced studies or for patients unable to tolerate medications.
RVU Breakdown
| Work RVU | 0.94 |
| Total RVU | 0.94 |
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 0.94, this code ranks in the 55th percentile among Radiology codes — 1.2x the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 78707?
CPT 78707 (K flow/funct image without drug) is a Radiology code. Nuclear medicine imaging of kidney to assess blood flow and function without pharmaceutical agent administration.
Who uses CPT code 78707?
CPT 78707 is used by Nuclear Medicine, Nephrology, Urology. Assesses renal perfusion and function without pharmacologic intervention; useful baseline for comparing with pharmacologically-enhanced studies or for patients unable to tolerate medications.
When is CPT 78707 used?
Assesses renal perfusion and function without pharmacologic intervention; useful baseline for comparing with pharmacologically-enhanced studies or for patients unable to tolerate medications.
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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.