66174 Trluml dil aq o/f can without st
Also known as: transluminal aqueous outflow dilation, circumferential catheterization
Transluminal dilatation of aqueous outflow canal; without internal stent.
In Plain Language
stretching drainage channel of eye from inside
Clinical Context
Minimally invasive glaucoma surgery (MIGS) dilating Schlemm canal via catheterization. Newer technique with good safety profile.
RVU Breakdown
| Work RVU | 7.43 |
| Total RVU | 7.43 |
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 7.43, this code ranks in the 47th percentile among Surgery codes — 1.1x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 66174?
CPT 66174 (Trluml dil aq o/f can without st) is a Surgery code. Transluminal dilatation of aqueous outflow canal; without internal stent.
What is the wRVU value for CPT 66174?
The work RVU for CPT 66174 is 7.43. This code is primarily used by glaucoma surgery, MIGS. It has a 90-day global period.
When is CPT 66174 used?
Minimally invasive glaucoma surgery (MIGS) dilating Schlemm canal via catheterization. Newer technique with good safety profile.
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.