75831 Vein x-ray kidney
Also known as: renal venography, renal vein imaging, single kidney venography
Radiographic imaging of renal veins in a single kidney using contrast medium to assess renal venous drainage and patency.
In Plain Language
kidney vein X-ray; kidney vein imaging
Clinical Context
Evaluates renal vein thrombosis, Budd-Chiari syndrome, renal artery stenosis, and renal vein stenosis.
RVU Breakdown
| Work RVU | 1.11 |
| Total RVU | 1.11 |
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 1.11, this code ranks in the 63rd percentile among Radiology codes — 1.4x the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 75831?
CPT 75831 (Vein x-ray kidney) is a Radiology code. Radiographic imaging of renal veins in a single kidney using contrast medium to assess renal venous drainage and patency.
Who uses CPT code 75831?
CPT 75831 is used by Radiology, Urology. Evaluates renal vein thrombosis, Budd-Chiari syndrome, renal artery stenosis, and renal vein stenosis.
When is CPT 75831 used?
Evaluates renal vein thrombosis, Budd-Chiari syndrome, renal artery stenosis, and renal vein stenosis.
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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.