| Category | Amount |
|---|---|
| Medicare Allowed Rate What Medicare approves for this service | $1264.11 |
| Typical Billed Amount What providers commonly charge | $15000 – $50000 |
| Potential Markup How much more you might pay vs. Medicare rate | 3855% above Medicare |
What CPT Code 27447 Means for Your Surgery
When your doctor recommends total knee replacement surgery, they're suggesting a procedure that completely replaces your damaged knee joint with artificial components. CPT code 27447 specifically identifies this comprehensive orthopedic surgery on your medical bills.
Your surgeon will use this code when they remove the damaged cartilage and bone from your thighbone, shinbone, and kneecap, then replace these surfaces with artificial joint components made of metal and plastic. This is different from a partial knee replacement, which would use a different billing code.
This surgery is typically recommended when you have severe arthritis, significant injury, or other conditions that cause persistent knee pain and limit your daily activities. The procedure usually takes 1-2 hours and requires a hospital stay.
What to Expect on Your Medical Bill
When you see CPT code 27447 on your bill, you'll notice significant variation in charges depending on your location and healthcare provider. Typical charges range from $15,000 to $50,000 for the surgical procedure alone. The Medicare rate for this procedure is $1,264.11, though this represents only the physician fee portion.
Remember that your total knee replacement bill will include multiple components beyond just the surgeon's fee. You'll also see separate charges for the hospital facility, anesthesia, medical devices (the artificial knee implant), pre-operative testing, and post-operative care. The implant itself can cost $3,000-$5,000 or more.
If you have Medicare, you'll typically pay 20% of the approved amount after meeting your deductible. Private insurance plans vary widely, but many cover 70-90% of the procedure after you meet your deductible and out-of-pocket maximums.
How to Verify Your Bill Is Correct
Start by confirming that CPT code 27447 matches the surgery you actually received. If you had a partial knee replacement or revision surgery, you should see different codes (like 27446 for partial replacement). Check that the date of service matches your surgery date and verify that your surgeon's name appears correctly.
Compare your charges against typical ranges for your area, keeping in mind that costs vary significantly by geographic location and hospital. If your surgeon's fee seems unusually high compared to the $15,000-$50,000 typical range, contact your insurance company to discuss whether the charge is reasonable for your area.
If you notice errors or have concerns about your bill, contact your healthcare provider's billing department first. They can explain the charges and correct any mistakes. If you're still concerned, reach out to your insurance company's member services line. They can review whether the charges align with your policy coverage and local pricing standards.