Surgery Costs: What to Expect and How to Save Thousands

Your doctor says you need surgery. Beyond the anxiety about the procedure itself, there's a question you almost dread asking: how much is this going to cost?

The answer, frustratingly, is "it depends." Surgery costs in the United States vary wildly based on the procedure, the facility, your insurance status, and even your zip code. A knee replacement can cost $15,000 at one hospital and $70,000 at another in the same city. An appendectomy ranges from $6,000 to $40,000 depending on who's paying.

In this guide, we'll give you realistic cost ranges for common surgeries, explain what drives those costs, and show you how to save thousands—whether you're planning ahead or negotiating after the fact.

Average Costs for Common Surgeries

Here's what common surgeries typically cost across different payment scenarios. These are national averages—your costs will vary by region, facility, and complexity.

Surgery	Chargemaster Price	With Insurance (Out-of-Pocket)	Without Insurance (Negotiated)	Medicare Rate
Appendectomy	$15,000–$40,000	$2,000–$6,000	$8,000–$18,000	$6,000–$10,000
Knee replacement	$30,000–$70,000	$5,000–$15,000	$18,000–$35,000	$15,000–$22,000
Gallbladder removal	$10,000–$30,000	$1,500–$5,000	$6,000–$15,000	$5,000–$9,000
Hernia repair	$6,000–$25,000	$1,000–$4,000	$4,000–$12,000	$3,500–$7,000
Cataract surgery (per eye)	$3,500–$10,000	$500–$2,500	$2,500–$6,000	$2,000–$3,500
Hip replacement	$30,000–$75,000	$5,000–$15,000	$18,000–$40,000	$15,000–$25,000
ACL reconstruction	$20,000–$50,000	$3,000–$10,000	$12,000–$25,000	$8,000–$15,000
Tonsillectomy	$5,000–$15,000	$800–$3,000	$3,000–$8,000	$2,500–$5,000

The chargemaster price is not what you should pay. It's the starting point for negotiation, and it's almost always inflated by 200-500% above what insurers and Medicare actually reimburse.

For a broader look at healthcare pricing across all procedure types, see our complete healthcare cost guide.

Inpatient vs Outpatient Surgery Costs

Where your surgery is performed has an enormous impact on cost. The same procedure done as an outpatient can cost 40-60% less than the same procedure done as an inpatient.

Setting	Typical Cost Range	Best For
Hospital inpatient	$15,000–$70,000+	Complex surgeries, overnight stays required
Hospital outpatient	$5,000–$30,000	Same-day procedures at a hospital facility
Ambulatory surgery center (ASC)	$3,000–$20,000	Same-day procedures at a freestanding center

Ambulatory surgery centers are freestanding facilities dedicated to outpatient procedures. They have lower overhead than hospitals, and they pass those savings on. If your surgeon operates at both a hospital and an ASC, ask about having the procedure at the ASC—you could save thousands.

Not every surgery can be done outpatient. Procedures requiring extended monitoring, overnight stays, or intensive care will need a hospital setting. But many surgeries that used to require overnight stays—gallbladder removal, hernia repair, even some knee procedures—are now routinely done as outpatient.

What Drives Surgery Costs?

Your surgical bill is made up of several distinct charges, each from a different source.

Surgeon's Fee

The surgeon's professional fee typically ranges from $1,500 to $10,000+ depending on the complexity and the surgeon's specialization. This covers the surgeon's time in the operating room and immediate follow-up.

Anesthesia

Anesthesia is billed by the minute—literally. The anesthesiologist's fee typically ranges from $1,000 to $5,000 based on the length of surgery and the type of anesthesia used. General anesthesia costs more than regional (like a nerve block) or local anesthesia.

Facility Fee

This is the charge for using the operating room, recovery room, nursing staff, and monitoring equipment. Facility fees are often the largest component of a surgical bill, ranging from $3,000 to $30,000+ depending on the setting and duration.

Implants and Devices

If your surgery involves hardware—a knee implant, hip prosthesis, hernia mesh, screws, plates—these carry significant costs. A single knee replacement implant can cost the hospital $2,000-$8,000, but the markup on your bill might be 200-400% higher.

Lab Work and Pathology

Pre-surgical blood work, intraoperative biopsies, and post-surgical lab monitoring add $200-$2,000 to your total.

Recovery and Hospital Stay

If you're admitted overnight, each hospital day adds $2,000-$5,000+ in room charges, nursing care, medications, and monitoring.

How to Get a Good Faith Estimate Before Surgery

For planned surgeries, you have a powerful tool: the Good Faith Estimate required by the No Surprises Act. If you're uninsured or paying out of pocket, your provider must give you a written estimate of expected charges before the procedure.

How to request one:

1. Call the surgeon's office and the hospital scheduling department
2. Ask: "I'd like a Good Faith Estimate for my upcoming procedure, including all anticipated charges from all providers"
3. The estimate should include the surgeon's fee, facility fee, anesthesia, labs, and any expected implants or devices
4. You should receive it at least 1-3 business days before your procedure

If the final bill exceeds the estimate by $400 or more, you can dispute the difference through an independent review process.

Even if you have insurance, requesting a detailed cost estimate in advance gives you time to compare options, check that all providers are in-network, and budget for your out-of-pocket share.

Negotiation Strategies Specific to Surgical Bills

Surgical bills offer several unique negotiation opportunities because of their size and complexity.

Negotiate Before the Surgery

For planned procedures, you have the most leverage before the surgery happens. Call the billing department and ask:

• "What is your self-pay or cash-pay rate?" Hospitals often offer 30-50% discounts for upfront cash payment.
• "Can you match the Medicare rate for this procedure?" This is a reasonable benchmark the hospital is familiar with.
• "Are there payment plan options with no interest?" Many hospitals offer 12-24 month interest-free payment plans.

Negotiate After the Surgery

If the bill has already arrived, your approach shifts to reviewing and disputing.

Request an itemized bill with CPT codes for every charge. Surgical bills are particularly complex and prone to errors—upcoding, unbundling, duplicate charges for supplies, and inflated implant costs are common.

Compare each line item to Medicare rates. If the surgeon's fee is $8,000 for a procedure Medicare reimburses at $2,500, that gap is your negotiating leverage.

Negotiate each provider separately. Remember, you'll get separate bills from the surgeon, anesthesiologist, hospital, and possibly the pathologist or assistant surgeon. Each one can be negotiated independently.

For a complete walkthrough of the negotiation process with scripts and strategies, see our medical bill negotiation guide.

Consider Medical Tourism (Within the U.S.)

For expensive elective procedures like knee and hip replacements, some patients save tens of thousands by traveling to a different city or state where costs are lower. Some employers and insurance plans now offer incentives for choosing lower-cost facilities.

Key Takeaways

• Surgery costs vary enormously—the same procedure can cost $6,000 or $70,000 depending on facility, location, and insurance status. Always compare options.
• Outpatient surgery centers (ASCs) typically cost 40-60% less than hospital-based surgery for the same procedure. Ask your surgeon if an ASC is an option.
• Your surgical bill comes from multiple providers—surgeon, anesthesiologist, facility, lab. Review and negotiate each one separately.
• Request a Good Faith Estimate before any planned surgery. It's your legal right and your best tool for cost planning.
• Medicare rates are your benchmark. If you're being charged more than 2-3 times the Medicare rate, you have strong grounds to negotiate.

Don't Pay More Than You Should for Surgery

Surgical bills are among the largest medical expenses you'll ever face—and they're also among the most negotiable. Fix My Bill analyzes every line item on your surgical bill, compares charges to Medicare rates, flags errors and overcharges, and gives you a customized negotiation strategy.

Start your free bill analysis today and take control of your medical debt.