Explore duodenal switch and SADI-S surgery costs, insurance coverage, and financing options, including monthly payment plans to help manage out-of-pocket expenses.
Last updated October 2026
Duodenal switch surgery can involve substantial upfront expenses, particularly when insurance does not cover the procedure. Six MDsave hospital listings show bundled self-pay prices ranging from $18,332 for SADI-S to $27,145 for traditional biliopancreatic diversion with duodenal switch (BPD/DS). These are provider-specific examples, not national averages.
Both procedures combine a smaller, sleeve-shaped stomach with intestinal rerouting that changes how food is digested and nutrients are absorbed. Because they can significantly reduce nutrient absorption, patients need lifelong supplements, regular laboratory testing, and ongoing medical follow-up.
Insurance may cover some or all of the surgical expenses when applicable medical criteria are met. Understanding the differences between SADI-S and BPD/DS, their costs, and your duodenal switch financing options can help you plan for both surgery and long-term care.
Traditional biliopancreatic diversion with duodenal switch (BPD/DS) combines a sleeve gastrectomy with intestinal rerouting that uses two surgical connections, so food and digestive juices travel along separate pathways before mixing farther down the intestine. SADI-S, or single-anastomosis duodeno-ileal bypass with sleeve gastrectomy, uses one intestinal connection instead. This simplifies part of the operation, although it remains major bariatric surgery.
Both procedures change how food and nutrients are absorbed and require lifelong nutritional monitoring. Both also appear on the American Society for Metabolic and Bariatric Surgery’s list of endorsed procedures, although professional endorsement is not the same as insurance coverage.
| Duodenal Switch (BPD/DS) | SADI-S | |
|---|---|---|
| Stomach | Sleeve gastrectomy | Sleeve gastrectomy |
| Intestinal connections | Two | One |
| Typical hospital stay | Often one to two days | Often around one day |
| Long-term data | Longer track record | Newer procedure, with less long-term follow-up data than traditional BPD/DS |
| Specifically listed in Medicare’s national coverage policy | Yes | No; coverage may depend on the local Medicare contractor |
| MDsave price at the same hospital | $20,243 | $18,332 |
Hospital stay estimates from Cleveland Clinic’s duodenal switch and SADI-S pages; stays vary by patient, surgical approach, and complications. Both prices are from MDsave listings at Mosaic Life Care in Missouri, accessed October 2026. They illustrate one provider’s pricing and do not establish that SADI-S is generally less expensive.
Your bariatric surgeon will consider your medical history, previous operations, nutritional risks, treatment goals, and ability to maintain lifelong nutritional care when recommending a procedure. Price alone should not determine the choice.
For patients who previously had a sleeve gastrectomy, MUSC Health notes that SADI-S can be an option for further weight loss. When it is performed as a second-stage or revisional procedure, insurance requirements and pricing may differ from those for a first-time operation.
Three MDsave listings show SADI-S prices from $18,332 to $24,100, while three traditional BPD/DS listings range from $20,243 to $27,145. These figures represent individual hospital offerings, not national averages.
MDsave publishes prepaid procedure prices for participating hospitals and surgeons, giving you a starting point for comparing duodenal switch cost. The listed packages generally include surgeon, facility, and anesthesia charges, but covered services and hospital-stay limits vary by provider. Before comparing prices, confirm whether each quote covers a complete first-time procedure or a second-stage operation after a previous gastric sleeve.
| Hospital | Procedure | Bundled Price |
|---|---|---|
| Mosaic Life Care at St. Joseph (Missouri) | SADI-S | $18,332 |
| Mosaic Life Care at St. Joseph (Missouri) | Duodenal switch (BPD/DS) | $20,243 |
| Vista Medical Center Waukegan (Illinois) | SADI-S | $21,527 |
| Utah Valley Hospital (Utah) | SADI-S | $24,100 |
| Tennova Healthcare Turkey Creek (Tennessee) | Duodenal switch (BPD/DS) | $24,604 |
| LDS Hospital (Utah) | Duodenal switch (BPD/DS) | $27,145 |
Prices were reported on the cited MDsave listings in October 2026 and may change. Packages may exclude consultations, pathology, hospitalist services, or care outside the listed terms. Confirm all included services and request a current written quote.
A bundled surgery price does not necessarily include every expense. Depending on the hospital, you may pay separately for the initial consultation, nutrition counseling, psychological evaluation, laboratory testing, pathology, or hospitalist services. Each MDsave listing above, for example, requires a separately priced consultation before surgery.
Ask whether the quote covers a complete first-time operation or a conversion after a previous gastric sleeve. Also confirm how additional hospital days, complications, readmissions, and follow-up visits outside the package period would be billed. Requesting a written breakdown of included and excluded services before committing to a self-pay package can help you avoid surprise bills.
Comparing prices published by one health system can provide a useful reference, although differences in package contents may still affect the comparison. AdventHealth publishes these self-pay prices for surgery at its Orlando and Celebration, Florida, locations and notes that additional fees may apply:
AdventHealth self-pay prices, accessed October 2026. These prices may not represent equivalent surgical packages. AdventHealth does not itemize what each figure includes or list an effective date, so the amounts should not be used to compare the total cost of different operations without further confirmation.
AdventHealth lists SADI-S below its gastric sleeve price, but the published information does not establish whether the SADI-S amount covers a complete first-time procedure or a second-stage operation for someone who already has a sleeve. Before relying on a figure like this, compare written quotes for equivalent procedures and included services rather than choosing a surgery based on an advertised price.
Some private health insurance plans include duodenal switch insurance coverage for BPD/DS or SADI-S when medical necessity requirements are met, while others exclude bariatric surgery or cover only certain procedures and facilities.
Aetna’s obesity surgery policy, last reviewed in July 2026, is one example of an insurer that recognizes both procedures. For adults, its criteria include a BMI of at least 40, or at least 35 with certain serious obesity-related conditions, with lower thresholds for people of Asian ancestry.
The same policy also requires documented past weight-loss attempts, a psychosocial evaluation, and an intensive behavioral program of 12 or more sessions on separate dates, with the program occurring within two years before surgery. Requirements vary by insurer and may differ between plans offered by the same company.
Before scheduling, request your plan’s written bariatric surgery policy. Ask whether it covers the specific procedure, requires prior authorization, mandates a supervised weight-management program, or limits surgery to designated hospitals. Prior authorization does not guarantee final payment, and you may still owe deductibles, copayments, coinsurance, or noncovered charges.
Original Medicare’s national coverage determination for bariatric surgery includes open and laparoscopic BPD/DS for beneficiaries with a BMI of at least 35, at least one obesity-related health condition, and unsuccessful prior medical treatment for obesity. Medicare no longer requires the facility certification specified in its earlier bariatric surgery policy.
SADI-S is not specifically named among the nationally covered procedures. The policy leaves bariatric procedures it does not list to local Medicare Administrative Contractors, so SADI-S coverage may depend on your regional contractor and how the surgery is coded and billed. Meeting the national BMI criteria does not guarantee that SADI-S will be covered.
If you have Original Medicare, ask your bariatric surgery program how SADI-S will be coded and whether it is covered under the applicable local rules. If you have Medicare Advantage, confirm the plan’s coverage, prior authorization requirements, and network restrictions before scheduling. Deductibles, coinsurance, and other patient costs may still apply.
If coverage is denied, review the written explanation and appeal deadline before deciding whether to pay out of pocket. Denials may involve missing documentation, unmet eligibility requirements, excluded procedures, or coding disputes. Your surgeon’s office may be able to supply missing records, such as weight history or proof of a completed behavioral program.
Because SADI-S coding and coverage can be complex, ask your surgical program which procedure code it will submit and whether the insurer has authorized that procedure. If an appeal is unsuccessful, request a complete self-pay estimate before exploring financing, and ask whether any evaluation or follow-up expenses will be billed separately.
Both traditional BPD/DS and SADI-S require lifelong nutritional care. Because these procedures change nutrient absorption, patients need daily vitamin and mineral supplementation, regular blood tests, and follow-up appointments with their bariatric team.
Nutritional deficiencies are a major long-term concern after duodenal switch surgery, and Cleveland Clinic describes them as the most significant risk of the procedure. It also notes that SADI-S carries a higher risk of vitamin and mineral deficiencies than gastric bypass or sleeve gastrectomy.
Long-term expenses may include bariatric vitamins and minerals, protein supplements when recommended, laboratory monitoring, nutrition visits, specialist appointments, and treatment for deficiencies. The type and amount of supplementation depend on your procedure, laboratory results, and your bariatric team’s recommendations.
Ask your surgical program what follow-up care is included in the initial price, which laboratory tests and visits insurance covers, and what you can expect to pay each year after surgery. Coverage for long-term monitoring may differ from coverage for the original operation.
You should also plan for recovery time and possible lost income. Recovery varies, but you may need several weeks away from strenuous activity, so ask your surgeon how long you may need off work and whether you will need help at home.
Potential complications include leaks, blood clots, bowel obstruction, gallstones, diarrhea, and nutritional deficiencies. Your surgeon can explain how the risks differ between BPD/DS and SADI-S and what follow-up care is required.
Your payment options depend on whether insurance covers the procedure and how much you owe out of pocket. Depending on your coverage, you may pay through savings, HSA or FSA funds, a provider payment plan, or financing, and the same options apply to SADI-S financing. Before borrowing, request a written estimate that includes your expected surgical costs and any separately billed services.
If insurance covers your surgery, request an estimate of your deductible, copayments, and coinsurance. Confirm network participation and any noncovered charges before deciding whether you need financing. If you do, you may need to finance only your remaining out-of-pocket balance rather than the full self-pay price.
Under IRS Publication 502, weight-loss treatment can count as a medical expense when it treats a specific disease diagnosed by a physician, such as obesity. Eligibility depends on applicable tax rules and account requirements, not on whether your insurer covers the surgery. Confirm the expense with your HSA or FSA administrator and keep supporting medical records. Some follow-up expenses, such as laboratory testing, may also qualify.
For larger balances, options may include personal loans, healthcare financing, or payment arrangements offered by the surgical practice. An unsecured personal loan may offer fixed monthly payments, depending on the lender and loan terms; confirm that the funds can be used for the planned procedure. Compare APRs, fees, monthly payments, and total repayment costs. Some promotional offers use deferred interest rather than a true 0% APR, and the Consumer Financial Protection Bureau explains that interest can be charged from the original purchase date if the full balance is not paid by the deadline.
Self-pay programs may expect payment before surgery, so confirm the due date and how quickly a lender can send funds. Also confirm the cancellation and refund policy. If surgery is postponed or canceled after a loan has been funded, a refund from the hospital does not automatically cancel the loan, and you may remain responsible for payments while the refund is processed.
Financing $20,000 at 13% APR would cost about $674 per month over 36 months or $455 per month over 60 months. The longer term lowers the payment but adds about $3,044 to the total you repay.
A longer repayment term reduces the monthly payment but increases total interest. Compare the full repayment cost before choosing a term, especially because nutritional supplements and follow-up care create ongoing expenses after surgery.
| Amount Financed | Monthly Payment (36 Months) | Total Repaid (36 Months) | Monthly Payment (60 Months) | Total Repaid (60 Months) |
|---|---|---|---|---|
| $5,000 | $168 | $6,065 | $114 | $6,826 |
| $10,000 | $337 | $12,130 | $228 | $13,652 |
| $20,000 | $674 | $24,260 | $455 | $27,304 |
| $25,000 | $842 | $30,325 | $569 | $34,130 |
Examples assume a fixed 13% APR, no additional fees, and repayment over 36 or 60 months. These are hypothetical calculations, not loan offers. Actual APRs, fees, and terms depend on the lender and your credit profile.
If insurance covers part of the surgery, the $5,000 and $10,000 rows may be closer to your situation, since you may need to finance only your remaining out-of-pocket balance.
Getting written answers to these questions before you borrow can help you avoid surprise bills and choose a loan amount that matches what you will owe.
Three MDsave listings show traditional BPD/DS prices from $20,243 to $27,145. AdventHealth separately publishes a $15,942 self-pay price, with additional fees potentially applying. These are provider-specific examples.
Three MDsave listings show bundled SADI-S cost examples from $18,332 to $24,100. Costs vary by hospital and by whether the surgery is a first-time or second-stage procedure.
At one Missouri hospital, the listed SADI-S price is about $1,900 lower than BPD/DS. However, this does not establish that SADI-S is generally less expensive. Costs depend on the procedure, hospital, and included services.
Some plans do. Aetna recognizes SADI-S under its bariatric surgery policy when applicable criteria are met. Medicare coverage may depend on the relevant local contractor.
Original Medicare’s national policy includes traditional BPD/DS for eligible beneficiaries who meet its medical requirements. Patient cost-sharing, such as deductibles and coinsurance, may still apply.
Some patients may qualify for SADI-S or BPD/DS as a second-stage or revisional procedure after sleeve gastrectomy. Surgical suitability and insurance requirements vary.
Patients typically need a bariatric vitamin and mineral regimen tailored to their procedure and laboratory results. Regular monitoring helps identify and treat nutritional deficiencies.
Qualifying bariatric surgery expenses may be eligible when the procedure treats a physician-diagnosed medical condition such as obesity. Confirm the applicable rules with your account administrator and keep documentation.
Recovery varies, but patients may need several weeks before resuming normal activities. Your surgeon can provide a more specific timeline.
Some lenders consider applicants with lower credit scores, but approval is not guaranteed and borrowing costs may be higher.
Traditional duodenal switch and SADI-S can involve significant surgical expenses, although the amount varies by provider, procedure, and insurance coverage. The published hospital prices in this article are useful reference points, but they are not national averages or guaranteed quotes.
Before considering duodenal switch financing, confirm which procedure your surgeon recommends, verify your insurance benefits, and request a written estimate of your out-of-pocket expenses. If you need to borrow, compare the total repayment cost and budget for the lifelong supplements, laboratory testing, and follow-up care required after surgery.
Checking prequalified offers generally involves a soft credit inquiry that does not affect your credit score. A formal application may involve a hard inquiry.
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Disclosure: FigCare Pay is not a lender, broker, or credit decision-maker. When you select “View My Offers,” you are redirected to an independent third-party loan marketplace where lenders determine all rates, terms, and approvals; FigCare Pay may receive referral compensation. Prequalification uses a soft credit check with no credit impact, though completing an official loan application may require a hard inquiry. Prequalification does not guarantee approval or the timing of funds. Cost figures shown are provider-specific examples that may change and are not a quote. Coverage and HSA/FSA information is general and depends on your plan. This page is general information only and is not medical, financial, tax, insurance, or legal advice. Candidacy for a duodenal switch or SADI-S is determined by a licensed surgeon.
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