66180 Aqueous shunt eye with graft
Also known as: aqueous shunt with graft, tube shunt with graft
Aqueous shunt to subconjunctival space with provision for filtration bleb; includes implantation of graft material when performed.
In Plain Language
placing tube with tissue graft for eye drainage
Clinical Context
Aqueous shunt with tissue graft (usually Schlemm's membrane or tympanum) for bleb protection. Often used in refractive surgery patients.
RVU Breakdown
| Work RVU | 14.63 |
| Total RVU | 14.63 |
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 14.63, this code ranks in the 72nd percentile among Surgery codes — 1.8x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 66180?
CPT 66180 (Aqueous shunt eye with graft) is a Surgery code. Aqueous shunt to subconjunctival space with provision for filtration bleb; includes implantation of graft material when performed.
What is the wRVU value for CPT 66180?
The work RVU for CPT 66180 is 14.63. This code is primarily used by glaucoma surgery. It has a 90-day global period.
When is CPT 66180 used?
Aqueous shunt with tissue graft (usually Schlemm's membrane or tympanum) for bleb protection. Often used in refractive surgery patients.
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.