50430 Njx procedures nfrosgrm and/or urtrgrm
Also known as: percutaneous pyelography, antegrade pyelography, contrast injection study
Percutaneous injection under fluoroscopic guidance for nephrography and ureterography (radiographic imaging) with contrast injection.
In Plain Language
kidney and ureter x-ray with contrast through needle; diagnostic kidney imaging
Clinical Context
Used for diagnostic imaging when retrograde pyelography is impossible or to evaluate percutaneous access sites before stone removal.
RVU Breakdown
| Work RVU | 2.83 |
| Total RVU | 2.83 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 2.83, this code ranks in the 19th percentile among Surgery codes — 2.8x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 50430?
CPT 50430 (Njx procedures nfrosgrm and/or urtrgrm) is a Surgery code. Percutaneous injection under fluoroscopic guidance for nephrography and ureterography (radiographic imaging) with contrast injection.
What is the wRVU value for CPT 50430?
The work RVU for CPT 50430 is 2.83. This code is primarily used by Radiology, Urology, Interventional Radiology.
When is CPT 50430 used?
Used for diagnostic imaging when retrograde pyelography is impossible or to evaluate percutaneous access sites before stone removal.
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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.