50075 Nl removal lg staghorn calculus
Also known as: open nephrolithotomy, open stone removal, staghorn stone removal
Nephrolithotomy (surgical removal of a large staghorn calculus from the kidney through an open incision).
In Plain Language
kidney stone removal through surgery; open surgical removal of large kidney stones
Clinical Context
Used for very large, complex staghorn calculi that occupy the renal pelvis and extend into multiple calyces, especially those unsuitable for percutaneous or extracorporeal approaches. Common indications include infected stones, renal insufficiency, or anatomic constraints.
RVU Breakdown
| Work RVU | 26.41 |
| Total RVU | 26.41 |
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 90-day global period, which includes the day of the procedure, 1 day preoperative, and 90 days of postoperative care. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 26.41, this code ranks in the 90th percentile among Surgery codes — 3.3x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 50075?
CPT 50075 (Nl removal lg staghorn calculus) is a Surgery code. Nephrolithotomy (surgical removal of a large staghorn calculus from the kidney through an open incision).
What is the wRVU value for CPT 50075?
The work RVU for CPT 50075 is 26.41. This code is primarily used by Urology, General Surgery. It has a 90-day global period.
When is CPT 50075 used?
Used for very large, complex staghorn calculi that occupy the renal pelvis and extend into multiple calyces, especially those unsuitable for percutaneous or extracorporeal approaches. Common indications include infected stones, renal insufficiency, or anatomic constraints.
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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.