66184 Revision of aqueous shunt
Also known as: shunt revision without lens exchange, aqueous shunt revision
Revision of aqueous shunt; without replacement of internal lumen.
In Plain Language
fixing blocked or malfunctioning eye drain
Clinical Context
Revision of shunt obstruction, drainage improvement, or catheter repositioning without lumen replacement.
RVU Breakdown
| Work RVU | 9.34 |
| Total RVU | 9.34 |
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 9.34, this code ranks in the 56th percentile among Surgery codes — 1.2x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 66184?
CPT 66184 (Revision of aqueous shunt) is a Surgery code. Revision of aqueous shunt; without replacement of internal lumen.
What is the wRVU value for CPT 66184?
The work RVU for CPT 66184 is 9.34. This code is primarily used by glaucoma surgery. It has a 90-day global period.
When is CPT 66184 used?
Revision of shunt obstruction, drainage improvement, or catheter repositioning without lumen replacement.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against national data — all in one app.
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.