# CPT 45378: Colonoscopy, flexible, diagnostic

Medicare CPT 45378 pays $378.10 in a non-facility setting and $164.67 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $335.05 in Arkansas to $441.84 in Alaska, a 32% spread.

Web page: https://www.med-reveal.com/rates/45378-cpt-fee-schedule
Section: Surgery and Procedures
Billed by: Gastroenterology, General Surgery

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $378.10 |
| National facility | $164.67 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| Alaska | $441.84 | $214.53 |
| District of Columbia | $431.34 | $179.92 |
| California | $422.96 | $170.41 |
| New York | $417.90 | $179.80 |
| New Jersey | $417.23 | $176.91 |
| Washington | $414.70 | $171.39 |
| Massachusetts | $410.87 | $171.08 |
| Hawaii | $407.70 | $165.03 |
| Connecticut | $402.98 | $173.11 |
| Colorado | $392.90 | $165.81 |
| Florida | $391.92 | $177.78 |
| Maryland | $391.52 | $169.01 |
| Oregon | $388.98 | $164.13 |
| Rhode Island | $387.16 | $166.68 |
| New Hampshire | $386.97 | $164.79 |
| Illinois | $382.23 | $176.00 |
| Puerto Rico | $380.73 | $164.95 |
| Virgin Islands | $380.73 | $164.95 |
| Montana | $378.07 | $164.64 |
| Nevada | $376.07 | $162.42 |
| Minnesota | $375.94 | $156.32 |
| Pennsylvania | $374.71 | $165.65 |
| Wyoming | $374.54 | $161.11 |
| Delaware | $374.15 | $163.28 |
| Texas | $373.71 | $163.58 |
| North Dakota | $369.96 | $156.53 |
| Virginia | $369.68 | $159.88 |
| Georgia | $369.07 | $165.46 |
| South Dakota | $369.01 | $155.57 |
| Vermont | $368.75 | $157.45 |
| Arizona | $368.12 | $161.31 |
| Michigan | $367.93 | $167.52 |
| Maine | $361.50 | $157.56 |
| Utah | $361.21 | $160.58 |
| New Mexico | $359.42 | $163.70 |
| Wisconsin | $357.78 | $153.31 |
| Missouri | $356.62 | $160.77 |
| South Carolina | $356.42 | $159.21 |
| Louisiana | $356.28 | $161.42 |
| North Carolina | $355.86 | $156.72 |
| Ohio | $355.75 | $160.88 |
| Indiana | $352.21 | $154.36 |
| Idaho | $350.23 | $153.87 |
| West Virginia | $350.18 | $164.71 |
| Nebraska | $349.70 | $152.70 |
| Kentucky | $348.28 | $158.53 |
| Tennessee | $348.26 | $154.25 |
| Iowa | $347.89 | $152.60 |
| Oklahoma | $347.42 | $156.82 |
| Kansas | $346.52 | $153.58 |
| Alabama | $339.88 | $153.13 |
| Mississippi | $338.64 | $154.87 |
| Arkansas | $335.05 | $151.71 |

## Related codes

- 40490: Biopsy of lip — https://www.med-reveal.com/rates/40490-cpt-fee-schedule
- 40650: Repair lip, vermilion only — https://www.med-reveal.com/rates/40650-cpt-fee-schedule
- 41010: Frenotomy, lingual — https://www.med-reveal.com/rates/41010-cpt-fee-schedule
- 41112: Excision of lesion of tongue — https://www.med-reveal.com/rates/41112-cpt-fee-schedule
- 41599: Unlisted procedure, tongue/floor of mouth — https://www.med-reveal.com/rates/41599-cpt-fee-schedule
- 42700: Incision and drainage of peritonsillar abscess — https://www.med-reveal.com/rates/42700-cpt-fee-schedule
- 42820: Tonsillectomy and adenoidectomy, under age 12 — https://www.med-reveal.com/rates/42820-cpt-fee-schedule
- 42821: Tonsillectomy and adenoidectomy, age 12 or over — https://www.med-reveal.com/rates/42821-cpt-fee-schedule

Commercial negotiated rates for 45378 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