# CPT 66170: Fistulization of sclera for glaucoma, trabeculectomy

Medicare CPT 66170 pays $938.23 in a non-facility setting and $938.23 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $857.42 in Arkansas to $1,177.96 in Alaska, a 37% spread.

Web page: https://www.med-reveal.com/rates/66170-cpt-fee-schedule
Section: Surgery and Procedures
Billed by: Ophthalmology

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $938.23 |
| National facility | $938.23 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| Alaska | $1,177.96 | $1,177.96 |
| District of Columbia | $1,046.58 | $1,046.58 |
| New York | $1,024.62 | $1,024.62 |
| New Jersey | $1,021.05 | $1,021.05 |
| California | $1,019.92 | $1,019.92 |
| Washington | $1,007.56 | $1,007.56 |
| Massachusetts | $1,000.79 | $1,000.79 |
| Connecticut | $989.44 | $989.44 |
| Hawaii | $984.27 | $984.27 |
| Florida | $974.19 | $974.19 |
| Maryland | $965.99 | $965.99 |
| Colorado | $964.37 | $964.37 |
| Illinois | $957.87 | $957.87 |
| Rhode Island | $957.70 | $957.70 |
| Oregon | $955.76 | $955.76 |
| New Hampshire | $952.04 | $952.04 |
| Puerto Rico | $942.61 | $942.61 |
| Virgin Islands | $942.61 | $942.61 |
| Montana | $938.16 | $938.16 |
| Pennsylvania | $935.65 | $935.65 |
| Nevada | $932.60 | $932.60 |
| Delaware | $931.45 | $931.45 |
| Texas | $931.20 | $931.20 |
| Wyoming | $928.77 | $928.77 |
| Michigan | $925.75 | $925.75 |
| Minnesota | $925.59 | $925.59 |
| Georgia | $925.47 | $925.47 |
| Virginia | $919.91 | $919.91 |
| Arizona | $919.10 | $919.10 |
| North Dakota | $916.61 | $916.61 |
| Vermont | $915.77 | $915.77 |
| South Dakota | $914.06 | $914.06 |
| New Mexico | $908.37 | $908.37 |
| Utah | $907.64 | $907.64 |
| Maine | $904.71 | $904.71 |
| Louisiana | $900.98 | $900.98 |
| Missouri | $900.78 | $900.78 |
| Ohio | $899.55 | $899.55 |
| South Carolina | $898.73 | $898.73 |
| West Virginia | $895.25 | $895.25 |
| North Carolina | $895.08 | $895.08 |
| Wisconsin | $894.23 | $894.23 |
| Indiana | $886.82 | $886.82 |
| Kentucky | $885.42 | $885.42 |
| Idaho | $883.21 | $883.21 |
| Oklahoma | $882.19 | $882.19 |
| Nebraska | $881.10 | $881.10 |
| Tennessee | $880.62 | $880.62 |
| Iowa | $878.21 | $878.21 |
| Kansas | $877.17 | $877.17 |
| Mississippi | $866.47 | $866.47 |
| Alabama | $866.44 | $866.44 |
| Arkansas | $857.42 | $857.42 |

## Related codes

- 65091: Evisceration of ocular contents — https://www.med-reveal.com/rates/65091-cpt-fee-schedule
- 65205: Removal of foreign body, external eye, conjunctival superficial — https://www.med-reveal.com/rates/65205-cpt-fee-schedule
- 65222: Removal of foreign body, external eye, corneal with slit lamp — https://www.med-reveal.com/rates/65222-cpt-fee-schedule
- 65400: Excision/transposition of pterygium — https://www.med-reveal.com/rates/65400-cpt-fee-schedule
- 65426: Excision/transposition of pterygium with graft — https://www.med-reveal.com/rates/65426-cpt-fee-schedule
- 65710: Keratoplasty (corneal transplant), anterior lamellar — https://www.med-reveal.com/rates/65710-cpt-fee-schedule
- 65730: Keratoplasty, penetrating, in aphakia — https://www.med-reveal.com/rates/65730-cpt-fee-schedule
- 65750: Keratoplasty, penetrating, in pseudophakia — https://www.med-reveal.com/rates/65750-cpt-fee-schedule

Commercial negotiated rates for 66170 by payer and state: https://www.med-reveal.com/solutions/rate-benchmarking

## Sources

- CMS Medicare fee schedules (2026 Q4): https://www.cms.gov/medicare/payment/fee-schedules