Are colonoscopies covered 100% by insurance?

A screening colonoscopy is covered at 100% under the ACA's preventive care mandate when no polyps are found and no symptoms prompted the exam — you owe $0 for the procedure itself, though anesthesia may still bill separately ($200–$500). If a polyp is found and removed, most insurers reclassify the visit as diagnostic and apply your deductible and coinsurance, so "100% covered" only holds for a clean screening result. Diagnostic colonoscopies (ordered because of symptoms or a prior finding) are never covered at 100% — standard deductible and coinsurance rules apply.

Is a screening colonoscopy really free under the ACA?

Usually yes—if it's purely screening and no polyps are removed. However, you still pay for anesthesia ($200–$500). If polyps are found and removed, the procedure converts to 'diagnostic' and you owe the facility fee.

What if polyps are found during my screening colonoscopy?

Your doctor can remove them during the same procedure. However, you'll be billed the diagnostic colonoscopy fee instead of screening fee. Polyp removal adds $500–$1,500 to your bill. Your total out-of-pocket may be $200–$1,500 instead of free.

Why is my facility charging more than these estimates?

Possible reasons: complex polyp removal, pathology lab fees ($100–$300), out-of-network facility, multiple procedures (colonoscopy + upper endoscopy), or additional services. Always ask what CPT codes are being billed.

Can I negotiate colonoscopy pricing?

Yes. For uninsured patients: call 2–3 facilities for quotes, ask for cash-pay discounts (20–50% off), request quotes in writing. For insured patients: your cost is set by insurance negotiation, but you can choose in-network facilities with lower negotiated rates.

How often do I need a colonoscopy?

Recommended schedule: Average risk—every 10 years after age 50 (or 45 per updated guidelines). High risk—every 3–5 years. Family history of colon cancer—every 5–10 years starting at age 40 or 10 years before family member's diagnosis.

Colonoscopy Cost by State and Facility Type (2026)

Creator: John Caruso, FSA, MAAA
Published: 2026-03-16T10:00:00-05:00
Keywords: colonoscopy cost, colonoscopy price, screening colonoscopy, colorectal cancer screening, GI procedure cost, preventive care, procedure pricing

Sticker price is almost never what patients actually pay.

Your actual cost depends on your deductible, coinsurance, and where you are in your plan.

👉 The same Colonoscopy could cost you $0 or $6,418.

Find out what YOU will pay ↓

Takes 10 seconds. Uses your insurance and deductible.

Where You Get a Colonoscopy Matters

Hospital outpatient departments typically charge 2–4× more than ASCs or independent centers for the same procedure — same outcome, very different bill.

Hospital Outpatient Department

Hospital Outpatient Department typically carries a higher price for a colonoscopy. Facility fee billed separately from professional fee. Provider-based billing adds facility overhead. You can shop here — call ahead and ask for a self-pay or cash quote.

Ambulatory Surgery Center

Ambulatory Surgery Center typically carries a mid-range price for a colonoscopy. Typically 40–60% less than hospital OP for surgical procedures. Anesthesia billed separately. You can shop here — call ahead and ask for a self-pay or cash quote.

Colonoscopy billing is more complex than most procedures — and most patients find out after the fact.

Your personalized cost report includes:

✓ Which 3–4 separate bills typically arrive (and which to dispute)
✓ Why anesthesia is often billed out-of-network even at in-network facilities
✓ The exact questions to ask before you schedule — that can cut your bill 30–50%
✓ What insurance actually covers vs. what they hope you won't notice
✓ A real patient billing breakdown, line by line

Free for patients — takes 30 seconds to get.

We'll email it to you immediately. No account required, no spam.

Colonoscopy Cost by Type

Which type your doctor orders changes the billing code — and what you pay. Here's how the common types differ.

Screening Colonoscopy

Billed as preventive care — often covered at $0 under the ACA when you are average-risk and in-network. Diagnostic only — no biopsy or polypectomy. ACA-covered at $0 for average-risk adults 45+.

Diagnostic Colonoscopy

Ordered to investigate symptoms or a prior finding — standard cost-sharing (deductible, coinsurance) applies. Same CPT as screening but billed as diagnostic — cost-sharing applies.

Colonoscopy with Biopsy

Adds a therapeutic step during the procedure, which changes the billing code and can add pathology charges.

Colonoscopy with Polypectomy

Adds a therapeutic step during the procedure, which changes the billing code and can add pathology charges.

Colonoscopy with Submucosal Injection

Adds a therapeutic step during the procedure, which changes the billing code and can add pathology charges.

CostKits Data — Colonoscopy

$360–$1,040

National typical range

Median across all 50 states

14×

National price spread

Cheapest vs. most expensive market

4,675

Facilities in our database

81% have observed negotiated rates

High

Shopping potential

Facility type is the biggest cost lever

States with cost data

Updated 2026

Facility Choice Is the Biggest Cost Driver

Setting	Typical Allowed Amount
Hospital outpatient dept.	$900–$1,200
Ambulatory Surgery Center (ASC)	$450–$600

Same procedure, same clinical outcome — 40–55% lower allowed amount. Ask your physician if the procedure can be performed at an ASC.

CostKits Market Intelligence — Colonoscopy

Confidence: High

Sources Used

CMS Medicare fee schedules (MPFS, OPPS, ASC)
Hospital price transparency files
Commercial rate relativity model

Estimate Composition

Observed negotiated rates		80%
Medicare baseline		15%
Estimated relativity		5%

306 geographic markets analyzed

4,675 facilities in dataset

50 states + 256 metros

Most insured patients do not pay the full facility price. See your likely out-of-pocket cost →

What's Actually on a Colonoscopy Bill?

A single colonoscopy can generate multiple separate bills. Each provider bills independently and they often arrive weeks apart. Here's what to expect at a Hospital Outpatient:

Billing Component	Always?	Typical Amount	Separate Bill?	Notes
Facility Fee	Always	$455–$1,031	Often
Gastroenterologist Fee	Always	$268–$716	Usually
Anesthesia	Always	$240–$640	Usually	Anesthesiologist bills separately. Common source of surprise bills.
Pathology / Lab	Sometimes	$150–$400	Usually	CPT 88305 for polyp specimen. Add only for 45380, 45381, 45385 — not for diagnostic 45378.

ASC alternative: The same procedure at an ambulatory surgery center typically costs $222–$1,642 — often 30–50% less than a hospital outpatient department.

Data note

This page shows facility and allowed-amount price data — not your personal cost after insurance. What you'll actually pay depends on your deductible, coinsurance rate, and plan type.

Estimate what YOU’ll pay →

Colonoscopy Cost-Saving Decision Guide

Three moves that reduce your actual out-of-pocket cost — not just awareness, but specific decisions you can make before scheduling:

Choose the right facility

If: Procedure is non-urgent + a hospital outpatient department is where you're scheduled

Typical savings: $250–$500 — Moving from a hospital outpatient department to ASC is typically the single biggest lever — identical care, lower overhead

Ask for the cash-pay rate

If: Uninsured or paying out-of-pocket + facility has a cash-discount program

Typical savings: 20–30% — Most facilities offer 20–30% off the standard negotiated rate for upfront cash payment — always ask the billing department before scheduling

Forecast your out-of-pocket cost

Quick navigation: · Healthcare Cost Guides · How deductibles affect your cost · Colonoscopy costs by state →

A colonoscopy's allowed amount ranges from $800 to $4,000+ nationally, with the single largest driver being where you have it done — not geography, not insurance type. Hospital outpatient departments charge 50–100% more than ambulatory surgery centers for the same procedure. Across 302 geographic markets, CostKits finds the national median sits around $1,800–$2,500 (facility + professional + anesthesia combined).

Before You Use the Price Table

Colonoscopy prices only become useful when you connect them to three insurance facts:

If your deductible is not met, a lower allowed amount usually saves you dollar-for-dollar. If your out-of-pocket max is already met, the facility price may not change what you owe this year, though it still affects what your plan pays.

National Price Summary

Metric	Range
National low (rural ASC, Medicare)	~$800
National median (combined setting)	~$1,800–$2,500
National high (urban hospital, commercial)	$4,000+
Medicare allowed (national)	$800–$1,200
Commercial negotiated (national)	$1,500–$3,000
Cash / self-pay (national)	$1,500–$4,000+

Source: CMS price transparency files, Medicare fee schedules, relativity modeling across 302 markets. See methodology below.

Facility Type: The Biggest Cost Driver

Where you have your colonoscopy matters more than anything else:

Facility Type	Facility Fee	Professional Fee	Anesthesia	Typical Total
Hospital Outpatient Dept. (HOD)	$800–$1,500	$200–$400	$200–$500	$1,200–$2,400+
Ambulatory Surgery Center (ASC)	$400–$700	$200–$400	$150–$350	$750–$1,450
Freestanding Endoscopy Center	$350–$600	$200–$400	$125–$300	$675–$1,300

Why the gap? Hospital outpatient departments carry facility overhead (24-hour staffing, trauma readiness, full OR infrastructure) that ASCs do not. CMS pays ASCs 60–70 cents on the dollar compared to HODs for the same colonoscopy CPT code — and commercial insurers follow a similar differential.

Ask your gastroenterologist: "Do you perform colonoscopies at an ASC or freestanding endoscopy center?" Most GI physicians have ASC privileges. The procedure is clinically identical; the facility fee is not.

The Highest-Value Scheduling Question

Before accepting the first available appointment, ask:

"Can this colonoscopy be performed at an in-network ASC or freestanding endoscopy center instead of a hospital outpatient department?"

Then ask your insurer how your plan treats the procedure if a polyp is removed. Those two questions cover the two most common reasons colonoscopy bills surprise people: the site of care and the preventive-to-diagnostic billing change.

Billing Variants and CPT Codes

Colonoscopy is not a single price. CPT code and clinical outcome both affect the final allowed amount:

CPT Code	Procedure	Typical Allowed Amount
45378	Diagnostic colonoscopy, no biopsy	$800–$1,500
45380	Colonoscopy with biopsy	$900–$1,600
45381	Colonoscopy with directed submucosal injection	$950–$1,700
45384	Colonoscopy with removal of lesion, snare	$1,100–$2,000
45385	Colonoscopy with removal of lesion, hot biopsy or coagulation	$1,100–$2,000
G0121 / G0105	Screening colonoscopy (Medicare-specific codes)	$400–$800 (facility only)

Pathology add-on: Any biopsy or polyp removal triggers a separate pathology lab bill (CPT 88305 or similar) — typically $100–$300 from a pathologist you may never meet. This is a separate insurance claim.

Anesthesia billing: Colonoscopy anesthesia is billed by time unit (15-minute blocks, CMS base units 7 for moderate sedation). The anesthesia professional fee is a separate claim. Confirm the anesthesia provider is in-network before scheduling — anesthesia is the most common out-of-network billing surprise in GI procedures.

What to Save for Later

Keep four items in one place: the scheduled facility name, the CPT/diagnosis codes if provided, the anesthesia group name, and your insurer call reference number. When the EOB arrives, compare those details before paying the provider bill.

For the patient-specific math, use the companion guide: How much will a colonoscopy cost after insurance? It shows how the same allowed amount turns into $0, $600, or $3,000 depending on your deductible and out-of-pocket max.

Regional Price Variation

Medicare adjusts payments via a geographic wage index that reflects local labor costs. This directly drives facility fee variation between markets:

Region Type	Wage Index Range	Effect on Facility Fee
High-cost metros (NYC, SF, Boston)	1.30–1.40	+20–30% above national
Mid-tier metros (LA, Chicago, Atlanta)	1.10–1.25	+5–15% above national
Lower-cost markets (rural Midwest/South)	0.85–1.00	At or below national

Commercial insurers use similar geographic adjustments in their fee schedules, so the relative market ranking is consistent across payer types.

Data Methodology

Sources: CMS Hospital Price Transparency files (machine-readable JSON/CSV from 6,000+ hospitals), Medicare Fee Schedule (2026 national rates), ASC Fee Schedule, wage index data, and relativity modeling for markets where transparency data is incomplete.

Market coverage: 302 geographic markets — 50 states + 252 CBSAs (metro areas). Facility count varies by procedure; see the Market Intelligence card above for colonoscopy-specific coverage.

What "allowed amount" means: The price a provider has agreed to accept from an in-network payer. Not the billed charge (higher), not the patient's out-of-pocket cost (varies by plan). The allowed amount is the starting point for calculating patient cost-sharing.

Data vintage: 2025–2026 transparency filings; Medicare rates updated January 2026.

What is excluded: Out-of-network rates, facility chargemaster rates, Medicaid fee-for-service rates (vary by state), and ancillary charges billed after the date of service (pathology, durable medical equipment).

Common Colonoscopy Billing Surprises

The sticker price is rarely the whole story. These are the charges that most often surprise people after a colonoscopy — knowing them in advance is how you catch errors and avoid out-of-network bills.

You May Receive Several Separate Bills

A single colonoscopy can generate 4 separate bills — facility, physician (gastroenterologist), anesthesia, pathology. Each provider bills independently and may arrive on its own statement, so the first bill you see is rarely the full total.

A Screening Can Re-Code to Diagnostic

A screening colonoscopy can re-code to diagnostic if a polyp is removed - which can turn a $0 preventive visit into a cost-sharing event.

Anesthesia or Pathology May Be Out-of-Network

Anesthesia or pathology may be out-of-network even when the facility is in-network.

Pathology Arrives as a Later, Separate Bill

Pathology arrives weeks later as its own bill, so the total looks higher than the first statement.

Colonoscopy Cost FAQs

What CPT code is a colonoscopy billed under?

The base screening colonoscopy is CPT 45378. If polyps are removed, the code upgrades to 45384 or 45385. Medicare uses separate screening codes (G0121 for average-risk, G0105 for high-risk patients). The CPT code drives the allowed amount and whether cost-sharing applies — so it matters.

Can I get a colonoscopy at an ambulatory surgery center (ASC)?

Yes, most gastroenterologists have ASC privileges. ASCs are accredited, safe, and typically 40–60% cheaper than hospital outpatient departments for the same procedure. Always ask: "Is this scheduled at a hospital outpatient department or an ASC?" before confirming.

How much does colonoscopy cost without insurance?

Cash/self-pay patients can often negotiate directly with the facility. ASC rates for self-pay range from $1,500–$2,500 for a screening colonoscopy; hospital rates are $2,500–$4,000+. Ask for the facility's "self-pay rate" or "prompt-pay discount" — most offer 20–40% off the standard rate.

Why is my facility charging more than these ranges?

Common reasons: complex polyp removal (large or difficult lesions), pathology fees ($100–$300, billed separately), out-of-network facility using chargemaster rates, or additional services (upper endoscopy same-day, pre-procedure prep). Always ask for an itemized bill and the CPT codes being submitted.

How often is a colonoscopy needed?

Every 10 years for average-risk adults starting at age 45. Every 3–5 years if polyps were found. Every 5 years for high-risk patients or those with family history. Your gastroenterologist sets the interval based on findings.

This Procedure Is Shoppable — Choosing the Right Facility Can Save Thousands

Colonoscopy is elective and schedulable. You have time to compare facilities — and hospital outpatient prices often run 2–4× higher than Hospital OP, ASC for identical clinical outcomes.

How to shop: Ask your doctor for the CPT code, then call 2–3 facilities and request an out-of-pocket cost estimate. Confirm your insurance is accepted. If uninsured, ask for the cash-pay rate — it's usually 20–50% below the list price.

Watch for Separate Bills from These Providers

A colonoscopy involves multiple providers: the facility, the operating physician, and often Anesthesia, Pathology (if biopsy). These providers bill independently — and each one may or may not be in your network, even if the facility is.

Action step: Before your procedure, ask the facility coordinator to confirm that all participating providers are in-network on your plan. The No Surprises Act (2022) protects you from unexpected out-of-network bills in many scenarios — but not all. Request a Good Faith Estimate (GFE) if you ask for one.

Who performs this: Colonoscopy is typically performed by a Gastroenterology or Colorectal Surgery. The specialist's professional fee is billed separately from the facility charge — you will likely receive separate bills from each.

Explore Colonoscopy Costs

Colonoscopy by Type & Body Area

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Colonoscopy Cost by Metro

New York, NY Los Angeles, CA Chicago, IL Dallas, TX Houston, TX Washington, DC Miami, FL Philadelphia, PA Atlanta, GA Phoenix, AZ Boston, MA San Francisco, CA Riverside, CA Detroit, MI Seattle, WA Minneapolis, MN San Diego, CA Tampa, FL Denver, CO St Louis, MO

Colonoscopy by State — Lowest Cost

Maine Nebraska Missouri Vermont Michigan Nevada Hawaii Oklahoma Montana Tennessee Arkansas Arizona

Colonoscopy by State — Most Searched

California Texas Florida New York Illinois Pennsylvania Ohio Georgia North Carolina Michigan

CostKits Tools

Cost Estimator Cost Forecasting Bill Checker

Learn More

Healthcare Cost Guide EOB Explained How Healthcare Costs Are Mapped

How Insurance Affects the Cost of This Procedure

Understanding these insurance concepts can help you estimate what you may actually pay for this procedure.

Colonoscopy by Type & Body Part

Costs vary significantly by which colonoscopy variant you need. Select a type to see state-by-state pricing and billing details:

Cheapest States for Colonoscopy

The 10 lowest-cost states for colonoscopy, by typical facility price range. Use these as a benchmark — even within a low-cost state, an independent imaging center usually beats a hospital outpatient department.

1. Maine $203–$535
2. Nebraska $230–$778
3. Missouri $219–$803
4. Vermont $424–$647
5. Michigan $237–$848
6. Nevada $217–$979
7. Hawaii $378–$834
8. Oklahoma $300–$915
9. Montana $273–$950
10. Tennessee $393–$835

Most Expensive States for Colonoscopy

The 10 highest-cost states for colonoscopy. If you're in one of these, shopping facilities and asking for the cash-pay rate matters most.

1. South Dakota $1,005–$2,588
2. Connecticut $653–$2,894
3. New Mexico $748–$2,310
4. Delaware $579–$2,373
5. Florida $890–$1,933
6. Ohio $620–$1,904
7. Alabama $692–$1,744
8. South Carolina $759–$1,574
9. North Carolina $901–$1,395
10. Massachusetts $515–$1,681