How Much Does Colonoscopy (Diagnostic) Cost in 2026?
According to ProcedureRadar's analysis of 85 hospital pricing files, the national median cost of colonoscopy (diagnostic) is $2,183, with prices typically ranging from $164 (10th percentile) to $2,474 (90th percentile). The full spread runs from $164 at the lowest to $4,982 at the highest across 10 US metros. The cheapest metro for colonoscopy (diagnostic) is Minneapolis (median $164), while Los Angeles is the most expensive (median $4,982). This guide breaks down what drives these prices and how to save.
Compare Colonoscopy Prices Near YouKey Takeaways
- The national median cost of colonoscopy (diagnostic) is $2,183, ranging from $164 to $4,982 across 85 hospitals in 10 metros.
- Cash pay prices are typically 40% to 60% lower than insured prices. Always ask for the cash rate, even if you have insurance with a high deductible.
- The cheapest metro is Minneapolis ($164 median). The most expensive is Los Angeles ($4,982).
- Screening vs. Diagnostic Classification is the biggest price driver. This is the most consequential distinction. Under the ACA, screening colonoscopies for patients over 45 (or with qualify...
- You can save by comparing hospitals on ProcedureRadar, choosing lower-cost facilities, and asking for the cash price before scheduling. Jump to savings tips
The National Picture
Colonoscopy prices in the United States range widely depending on where you have the procedure and whether it is a screening or diagnostic study. The national median sits at the value shown above, but some ambulatory surgery centers charge under $1,000 while large hospital systems charge over $8,000 for the same scope.
A significant portion of the price difference comes from facility fees. A colonoscopy performed at a hospital outpatient department includes overhead for operating rooms, recovery suites, and administrative infrastructure that an ambulatory surgery center does not carry. The clinical quality of the exam is comparable at both facility types.
See How Your City ComparesWhat Affects the Cost
Six primary factors determine what you will pay for a colonoscopy. Understanding these helps you navigate a price range that can span thousands of dollars.
Screening vs. Diagnostic Classification
This is the most consequential distinction. Under the ACA, screening colonoscopies for patients over 45 (or with qualifying risk factors) must be covered at no cost-sharing. However, if the doctor removes a polyp during a screening, some insurers reclassify the procedure as "diagnostic," which triggers your deductible and copay. Ask your insurer before scheduling whether polyp removal during a screening will change your cost.
Facility Type: Hospital vs. ASC
Hospital outpatient colonoscopies cost 3x to 5x more than the same procedure at an ambulatory surgery center (ASC). The clinical equipment and physician qualifications are comparable. The difference is facility overhead. If you have a choice, an ASC almost always costs less.
Anesthesia and Sedation
Most colonoscopies use moderate sedation (conscious sedation) administered by the gastroenterologist or a nurse. Some facilities offer deep sedation with an anesthesiologist (propofol), which adds $500 to $1,500 to the bill. Unless you have a medical reason requiring deep sedation, moderate sedation is effective and significantly cheaper.
Geographic Region
Metro area matters. Colonoscopy prices in the South and Midwest tend to be 30% to 50% lower than in coastal metros like San Francisco or Boston. Labor costs, real estate, and local market consolidation drive the gap.
Pathology and Biopsy Fees
If the gastroenterologist removes polyps or takes biopsies during the procedure, pathology lab fees are billed separately. Each specimen can cost $100 to $500 depending on the lab and the complexity of analysis. This is unpredictable before the procedure, but a common source of surprise bills.
Insurance Plan and Network
Your insurer's negotiated rate with each facility varies substantially. In-network colonoscopies benefit from negotiated discounts; out-of-network facilities can balance-bill in states that have not banned the practice. Always confirm network status before scheduling.
A hospital outpatient colonoscopy can cost 3x to 5x more than the same procedure at an ambulatory surgery center. The scope is the same. The sedation is the same. The bill is not.
ProcedureRadar analysis, 85 hospitals, April 2026What's Included (and What's Not)
A quoted colonoscopy price may not cover everything you will be billed for. Understanding what is bundled and what arrives as a separate charge helps you avoid surprises.
Typically Included
- Facility fee (endoscopy suite and recovery room)
- Gastroenterologist procedure fee
- Moderate sedation (conscious sedation)
- Basic supplies (scope, cleaning, disposables)
Often Billed Separately
- Anesthesiologist fee (if deep sedation/propofol used)
- Pathology and lab analysis of removed polyps or biopsies
- Pre-procedure consultation visit
- Bowel preparation prescription medications
Watch for the anesthesia bill. If your facility uses an anesthesiologist for propofol sedation, expect a separate bill of $500 to $1,500. Always ask beforehand: "Will an anesthesiologist be present, and is that billed separately?"
Cost by City
Colonoscopy (Diagnostic) prices vary significantly across US metros. Click any city to see the full hospital-by-hospital pricing breakdown.
Insurance Coverage
Most insurance plans cover screening colonoscopies at no cost to the patient under the Affordable Care Act. This applies to patients age 45 and older (or younger with qualifying risk factors). However, diagnostic colonoscopies ordered to investigate symptoms like bleeding, abdominal pain, or abnormal imaging are subject to your deductible, copay, and coinsurance.
The screening-to-diagnostic reclassification trap is a common source of unexpected bills. If a polyp is found and removed during a screening colonoscopy, some insurers reclassify the procedure as diagnostic. The ACA clarification of 2022 addressed this for most plans, but not all grandfathered plans comply. Confirm with your insurer before scheduling.
Prior authorization is not typically required for screening colonoscopies, but it may be required for diagnostic colonoscopies. Check with your insurer if your procedure is being ordered for symptoms rather than routine screening.
Medicare covers screening colonoscopies once every 10 years (or every 2 years for high-risk patients) at no cost to the beneficiary, including the cost of anesthesia. If the screening becomes diagnostic, Medicare Part B covers 80% of the approved amount after the Part B deductible.
If you are uninsured: Many gastroenterology practices and ambulatory surgery centers offer bundled cash prices for colonoscopies ranging from $1,000 to $2,500. These packages often include the facility fee, sedation, and physician fee. Ask for the "all-in cash price" when you call.
How to Save Money
There are concrete steps you can take to reduce what you pay for a colonoscopy. These apply whether you have insurance or are paying cash.
- 1Get Screened, Not DiagnosedIf you are due for a routine screening colonoscopy, make sure it is coded as a screening. Screening colonoscopies are covered at 100% under the ACA for most plans. Diagnostic colonoscopies are subject to your deductible.
- 2Choose an Ambulatory Surgery CenterASCs charge 50% to 80% less than hospital outpatient departments for the same colonoscopy. The equipment and physician qualifications are comparable. Call your doctor to ask if they perform colonoscopies at an ASC.
- 3Compare Prices on ProcedureRadarThe price gap between the cheapest and most expensive facility in your metro can be 5x or more. A few minutes of research can save you thousands.
- 4Decline Deep Sedation Unless Medically NecessaryModerate (conscious) sedation is effective for most patients and does not require a separate anesthesiologist bill. Unless your doctor recommends propofol for medical reasons, moderate sedation saves $500 to $1,500.
- 5Ask About Bundled PricingMany facilities offer an all-inclusive cash price that bundles facility, physician, and sedation fees. Ask for the "complete" or "bundled" price rather than the facility-only price to avoid surprise add-on bills.
- 6Schedule in January or FebruaryIf you have a high-deductible plan, scheduling your colonoscopy early in the year means the cost counts toward your deductible for the rest of the year. This can reduce your out-of-pocket costs for any other medical expenses that follow.
Questions to Ask Your Hospital
Before scheduling your colonoscopy, call the facility and ask these questions to avoid surprise bills.
- "Is this being coded as a screening or a diagnostic colonoscopy?"
- "If polyps are found and removed, will the classification change to diagnostic?"
- "What is the all-in cash price, including facility, physician, and sedation?"
- "Will an anesthesiologist be present? Is that billed separately?"
- "What are the typical pathology fees if polyps or biopsies are taken?"
- "Are you in-network with my insurance plan?"
- "Do you offer a discount for paying in full at time of service?"
- "Is there a payment plan option if the cost exceeds my budget?"