47542 Dilate biliary duct/ampulla
Also known as: Balloon dilation, sphincterotomy, stricture dilation
Dilation of the biliary duct and sphincter of Oddi using balloon catheter or other technique to enlarge the opening and relieve obstruction.
In Plain Language
Stretching the bile duct opening to clear blockage
Clinical Context
Performed for papillary stenosis, sphincter dysfunction, or biliary strictures. Often combined with stone extraction or stent placement.
RVU Breakdown
| Work RVU | 2.78 |
| Total RVU | 2.78 |
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. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 2.78, this code ranks in the 19th percentile among Surgery codes — 2.9x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 47542?
CPT 47542 (Dilate biliary duct/ampulla) is a Surgery code. Dilation of the biliary duct and sphincter of Oddi using balloon catheter or other technique to enlarge the opening and relieve obstruction.
What is the wRVU value for CPT 47542?
The work RVU for CPT 47542 is 2.78. This code is primarily used by Interventional Radiology, Hepatobiliary Surgery.
When is CPT 47542 used?
Performed for papillary stenosis, sphincter dysfunction, or biliary strictures. Often combined with stone extraction or stent placement.
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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.