Cost of a Colonoscopy Visit
in Washington
Washington's healthcare costs run approximately 10% above the national average, driven by the state's concentration of academic medical centers and robust insurance market. Colonoscopy visit costs across Washington typically range from $80 to $856, with a median negotiated rate of $298 based on transparency data from major insurers. With over 5,500 active Colonoscopy providers throughout the state, patients can browse options from Seattle's major health systems to rural clinics in eastern Washington.
Average
$411
Median
$298
Lowest
$80
Highest
$856
Providers
5,559
20% below national average
Important: These are cost estimates only — not a quote and not medical advice.
The prices on this page are self-pay rates, drawn from federal Transparency in Coverage machine-readable files (CPT 45378 — Diagnostic colonoscopy, flexible). They represent what a patient might pay without insurance.
Your actual cost depends on: your specific insurance plan, your remaining deductible, your coinsurance percentage, whether you have met your out-of-pocket maximum, whether the facility and provider are both in-network, and any separate anesthesia or implant fees billed independently.
This page does not constitute medical advice. Whether you need this procedure, and which approach is right for you, is a decision to make with a licensed healthcare provider.
Where this data comes from & what CPT 45378 covers
Data source: Cost figures are derived from UnitedHealthcare Transparency in Coverage machine-readable files for CPT code 45378 (Diagnostic colonoscopy, flexible), as mandated by the CMS Price Transparency Rule.
What CPT 45378 covers: the provider's professional fee for colonoscopy. It does not include facility/hospital fees, anesthesia, pre-operative imaging, post-operative care, or any add-on codes billed separately.
How to Find the Right Colonoscopy Near You in Washington and Compare Costs
Verify the Doctor's Credentials and Specialty Focus
Board certification through the American Board of Internal Medicine or relevant specialty board indicates a physician has completed required training and passed comprehensive examinations. For Colonoscopy visits, look for doctors who maintain active hospital privileges at major Washington medical centers and participate in continuing medical education specific to your condition.
Check Network Status Before Booking
In-network providers in Washington typically cost 60-80% less than out-of-network specialists due to pre-negotiated rates with insurers like Premera, Regence, and Kaiser Permanente. Always verify network status directly with your insurance company before scheduling, as provider networks change frequently and online directories may be outdated.
Compare Out-of-Pocket Costs Across Providers
The same Colonoscopy visit can cost anywhere from $80 at an independent practice to over $800 at a hospital-owned specialty clinic in Washington. Academic medical centers like UW Medicine typically charge premium rates, while independent practices and outpatient clinics often offer more competitive pricing for routine consultations.
Ask About Self-Pay Discounts
Many Washington providers offer cash-pay discounts of 20-40% for uninsured patients who pay at the time of service. Community health centers throughout the state provide sliding-scale fees based on income, and most practices will negotiate payment plans for patients facing financial hardship.
Skip the research. Momentary Lab searches thousands of Colonoscopy providers in Washington, compares costs, and checks your insurance in seconds.
Does Your Insurance Cover Colonoscopy Visits in Washington?
Washington's insurance market features moderate competition among major carriers including Premera Blue Cross, Regence BlueShield, Kaiser Permanente, and UnitedHealthcare. The state's Medicaid expansion provides coverage for adults up to 138% of the federal poverty level, improving access to specialist care across both urban and rural areas.
Understanding Referral Requirements
HMO plans in Washington typically require primary care physician referrals for Colonoscopy visits, while PPO plans allow direct scheduling with specialists. Kaiser Permanente members must generally stay within the Kaiser network and follow their internal referral process, which can affect timing and provider choice.
What In-Network Actually Means for Your Costs
Washington insurers use tiered networks where preferred providers cost less than standard in-network doctors, particularly for plans purchased through the state's health insurance exchange. The federal No Surprises Act protects patients from unexpected bills when receiving emergency care or when out-of-network providers treat patients at in-network facilities.
Key Questions to Ask Before Your Visit
Confirm that both your chosen provider and any recommended testing facilities are in your network, as labs and imaging centers often have separate contracts with insurers. Ask whether you need a referral from your primary care physician, what your specialist visit copay or coinsurance will be, and if any diagnostic tests require prior authorization from your insurance company.
Medicaid and Medicare Coverage in Washington
Washington's expanded Medicaid program covers Colonoscopy visits for eligible adults, though provider networks may be more limited than commercial insurance options. Medicare Part B covers specialist consultations at 80% after the annual deductible is met, with Medicare Advantage plans often providing additional benefits and potentially lower out-of-pocket costs.
Check your coverage instantly. Tell our AI Navigator your insurance plan and provider -- we will tell you exactly what you will pay.
Why Colonoscopy Visit Costs Vary Across Washington
Washington's healthcare costs run approximately 10% above national averages, reflecting the state's high cost of living in metropolitan areas and the concentration of academic medical centers. The Cascade Mountains create a natural divide between the densely served Puget Sound region and more sparsely populated eastern counties, leading to significant access and pricing disparities.
Urban vs. Rural Provider Availability
Seattle-Tacoma metro area contains the majority of Washington's specialists, while rural counties east of the Cascades often require patients to travel hours for specialized care. This geographic concentration drives up costs in urban areas due to high overhead while creating access challenges and potentially higher travel costs for rural patients.
Facility Type and Overhead Costs
Hospital-based outpatient clinics affiliated with major systems like UW Medicine, MultiCare, and Providence typically charge facility fees that can double the cost of routine visits compared to independent practices. Academic medical centers command premium pricing due to their teaching hospital status and research activities, while community-based practices often offer more competitive rates.
Insurance Market Competition in Washington
Washington's insurance market shows moderate competition with Premera Blue Cross, Regence BlueShield, Kaiser Permanente, and UnitedHealthcare holding significant market share. This competitive environment helps keep negotiated rates reasonable, though consolidation among health systems has given large providers more leverage in contract negotiations with insurers.
Physician Supply and Demand in Washington
With over 5,500 active Colonoscopy providers serving the state's 7.7 million residents, Washington shows adequate specialist availability in urban areas but significant shortages in rural regions. This supply imbalance contributes to longer wait times and potentially higher costs in underserved areas, particularly in counties with fewer than 50,000 residents.
Compare Similar Procedures
How does colonoscopy compare to related procedures in Washington?
| Procedure | CPT | Low | Median | High | Providers |
|---|---|---|---|---|---|
| Colonoscopy with Biopsy Colonoscopy with biopsy | 45380 | $80 | $385 | $1,143 | 4,616 |
| Colonoscopy with Polyp Removal Colonoscopy with polyp removal by snare | 45385 | $80 | $487 | $3,638 | 4,541 |
| Upper Endoscopy (EGD) Diagnostic upper GI endoscopy | 43235 | $152 | $312 | $759 | 2,247 |
| Upper Endoscopy with Biopsy Upper GI endoscopy with biopsy | 43239 | $80 | $236 | $954 | 5,547 |
| ECG / EKG 12-lead electrocardiogram with interpretation | 93000 | $14 | $16 | $80 | 5,856 |
| Echocardiogram Transthoracic echocardiogram with Doppler | 93306 | $80 | $185 | $513 | 4,713 |
| OB Ultrasound Obstetric ultrasound, complete | 76805 | $51 | $92 | $991 | 5,465 |
Jayant Panwar
CEO, Momentary Labs · San Francisco, CA
Jayant has analyzed healthcare pricing data from CMS Transparency in Coverage files since 2022, covering more than 50 million negotiated rate records across all 50 states. His work focuses on making insurer machine-readable files accessible to patients and researchers.
The cost figures on this page reflect his ongoing work to make this data accessible to patients.
Frequently Asked Questions — Colonoscopy Costs in Washington
What is the average cost of a Colonoscopy visit in Washington without insurance?
Does Washington Medicaid cover Colonoscopy visits?
How do I find an affordable Colonoscopy near me in Washington?
What is the difference in cost between an initial consultation and a follow-up visit?
Can I use an HSA or FSA to pay for a Colonoscopy visit in Washington?
How does telemedicine affect the cost of seeing a Colonoscopy in Washington?
Find an Affordable Colonoscopy Near You in Washington — Powered by AI
Finding the right Colonoscopy provider in Washington shouldn't mean hours of research and phone calls to check costs and insurance coverage. Momentary Lab's AI-powered platform instantly compares thousands of providers across the state, verifies your insurance benefits, and shows you exactly what you'll pay before you book. Get your personalized cost estimate -- free, instant, no sign-up required.
Click a state to compare costs
Average Visit Cost
Office visit (CPT 45378)
| Rank | State | Average↓ |
|---|---|---|
| 1 | Wisconsin Range: $73 – $4,430 | $1,595 |
| 2 | North Dakota Range: $165 – $2,255 | $1,558 |
| 3 | Minnesota Range: $90 – $2,255 | $1,217 |
| 4 | South Dakota Range: $85 – $2,255 | $895 |
| 5 | Massachusetts Range: $113 – $1,830 | $815 |
| 6 | Rhode Island Range: $91 – $1,830 | $781 |
| 7 | Connecticut Range: $90 – $1,830 | $748 |
| 8 | Delaware Range: $95 – $1,830 | $747 |
| 9 | Pennsylvania Range: $85 – $1,830 | $746 |
| 10 | New York Range: $101 – $1,830 | $743 |
| 11 | West Virginia Range: $85 – $1,395 | $612 |
| 12 | Nebraska Range: $265 – $815 | $594 |
| 13 | New Hampshire Range: $204 – $956 | $571 |
| 14 | Wyoming Range: $158 – $1,057 | $530 |
| 15 | North Carolina Range: $90 – $1,065 | $511 |
| 16 | Georgia Range: $90 – $982 | $507 |
| 17 | New Jersey Range: $110 – $1,117 | $505 |
| 18 | New Mexico Range: $168 – $954 | $502 |
| 19 | Iowa Range: $85 – $944 | $498 |
| 20 | Maine Range: $220 – $674 | $485 |
| 21 | Illinois Range: $85 – $901 | $443 |
| 22 | Utah Range: $85 – $741 | $441 |
| 23 | District of Columbia Range: $126 – $815 | $437 |
| 24 | Indiana Range: $81 – $835 | $425 |
| 25 | Vermont Range: $106 – $801 | $418 |
| 26 | Missouri Range: $174 – $634 | $417 |
| 27 | Washington Range: $80 – $856 | $411 |
| 28 | Oregon Range: $80 – $836 | $408 |
| 29 | Kentucky Range: $85 – $814 | $408 |
| 30 | Maryland Range: $162 – $712 | $396 |
| 31 | Michigan Range: $92 – $768 | $395 |
| 32 | Colorado Range: $85 – $760 | $385 |
| 33 | Hawaii Range: $85 – $757 | $385 |
| 34 | Mississippi Range: $151 – $719 | $381 |
| 35 | Alabama Range: $147 – $649 | $373 |
| 36 | Virginia Range: $124 – $682 | $368 |
| 37 | Louisiana Range: $116 – $670 | $366 |
| 38 | South Carolina Range: $90 – $695 | $363 |
| 39 | Idaho Range: $80 – $735 | $363 |
| 40 | Nevada Range: $204 – $553 | $351 |
| 41 | Arkansas Range: $85 – $634 | $345 |
| 42 | Texas Range: $85 – $634 | $336 |
| 43 | Kansas Range: $174 – $530 | $331 |
| 44 | Ohio Range: $85 – $565 | $325 |
| 45 | Tennessee Range: $90 – $582 | $320 |
| 46 | Oklahoma Range: $85 – $606 | $303 |
| 47 | Arizona Range: $155 – $472 | $300 |
| 48 | California Range: $85 – $647 | $272 |
| 49 | Alaska Range: $80 – $648 | $269 |
| 50 | Montana Range: $80 – $538 | $233 |
| 51 | Florida Range: $35 – $604 | $231 |
Jayant Panwar
CEO & Healthcare Data Analyst, Momentary Labs
Last updated: April 4, 2026
About This Data
Cost data sourced from Transparency in Coverage (TiC) machine-readable files published by UnitedHealthcare as required by the CMS Price Transparency Rule. These are actual negotiated rates between insurers and providers — not estimates.
Prices shown are for Diagnostic colonoscopy, flexible (CPT 45378) in Washington, aggregated across 5,559 provider contracts.
Actual out-of-pocket costs depend on your insurance plan, deductible, coinsurance, and services received. This is not medical advice.
About this page
Data source: UnitedHealthcare Transparency in Coverage machine-readable files, CPT 45378, Washington providers. Rates represent in-network negotiated amounts and may vary by plan type.
Editorial policy: Momentary Labs does not accept payment from providers, hospitals, or insurers to influence cost rankings or editorial content. Read our full editorial policy.
Corrections: If you believe any cost figure or clinical information on this page is inaccurate, please report it here. We review all submissions within 5 business days.
