74420 Urography rtrgr +-kub
Also known as: retrograde pyelography, retrograde ureteropyelography, RGP
Retrograde radiographic imaging of the urinary system using contrast injected through ureteral catheters during cystoscopy with optional kidney-ureter-bladder images.
In Plain Language
urinary system X-ray from catheter; backwards urinary imaging
Clinical Context
Evaluates ureteral obstruction, strictures, leaks, and transection when intravenous pyelography is contraindicated; performed during cystoscopy with catheterization.
RVU Breakdown
| Work RVU | 0.51 |
| Total RVU | 0.51 |
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 0.51, this code ranks in the 30th percentile among Radiology codes — 1.6x below the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 74420?
CPT 74420 (Urography rtrgr +-kub) is a Radiology code. Retrograde radiographic imaging of the urinary system using contrast injected through ureteral catheters during cystoscopy with optional kidney-ureter-bladder images.
Who uses CPT code 74420?
CPT 74420 is used by Radiology, Urology. Evaluates ureteral obstruction, strictures, leaks, and transection when intravenous pyelography is contraindicated; performed during cystoscopy with catheterization.
When is CPT 74420 used?
Evaluates ureteral obstruction, strictures, leaks, and transection when intravenous pyelography is contraindicated; performed during cystoscopy with catheterization.
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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.