How Much Does Partial Knee Replacement Surgery Cost?
Also known as: Revision of knee joint (CPT 27446)
Surgery to replace only the damaged part of the knee joint, preserving healthy bone and tissue.
The total estimated cost of Partial Knee Replacement Surgery (CPT 27446) is $15,119 to $41,997, including hospital fees, anesthesia, and supplies. The surgeon's Medicare fee alone is $1,047. Average Medicare total payment: $16,799.
Total Estimated Cost of Care
This estimate includes hospital facility fees, anesthesia, implants, and supplies for an inpatient hospital stay. Based on CMS data for MAJOR HIP AND KNEE JOINT REPLACEMENT OR REATTACHMENT OF LOWER EXTREMITY WITHOUT MCC (DRG 470), the average Medicare total payment is $16,799.
Patient Guide: Partial Knee Replacement Surgery
What you need to know before your appointment
What to Expect
The surgeon replaces only the worn part of the knee with an artificial component. Recovery is typically faster than total knee replacement.
How Long Does It Take?
1-2 hours surgery, 1-2 days hospital stay
Common Reasons Doctors Order This
Arthritis affecting only one part of the knee, knee pain limited to one compartment
How to Prepare
Same preparation as total knee replacement. Recovery is typically faster with earlier return to activities.
Procedures Commonly Done Together
These procedures are frequently performed alongside Revision of knee joint
How to Reduce Your Cost for Revision of knee joint
Practical tips that can save you hundreds or thousands of dollars
- 1 Ask about cash-pay discounts
Many hospitals and clinics offer 20-40% discounts for self-pay patients. Always ask before scheduling.
- 2 Compare facility vs. office setting costs
Some procedures cost significantly less in an office setting than a hospital. Ask your provider about options.
- 3 Shop around — costs vary significantly
Costs can vary 2-3x between providers in the same city. Get quotes from multiple facilities.
How is the Price Calculated?
Medicare calculates procedure payments using Relative Value Units (RVUs). Each procedure has three components multiplied by a conversion factor ($33.40 in 2026) and adjusted by geographic cost indices.
Payment = Total RVU (31.36) x CF ($33.40) = $1,047
Related Procedures
Similar procedures in the same category or body system
Consider These Alternatives
Depending on your clinical situation, these alternatives may be appropriate and could save you money.
Note: Alternative procedures may not be clinically appropriate for all patients. Always consult your physician to determine the best option for your specific situation.
Frequently Asked Questions
How much does Revision of knee joint cost?
The Medicare facility rate for Revision of knee joint is $1,047. Commercial insurance rates typically range from 150% to 250% of Medicare (varies by plan).
How much does Revision of knee joint cost without insurance?
Without insurance, the cost of Revision of knee joint can range from 150% of Medicare to 500% of Medicare depending on the facility. Many hospitals and clinics offer self-pay discounts of 20-40% off their chargemaster price. Always ask about cash pricing before your visit.
Does insurance cover Revision of knee joint?
Most commercial health insurance plans and Medicare cover Revision of knee joint when ordered by a physician for a medically necessary reason. Your out-of-pocket cost depends on your plan's deductible, copay/coinsurance structure, and whether you use an in-network provider. Check with your insurance company before scheduling to confirm coverage and get a cost estimate.
Why does the cost vary so much by location?
Medicare adjusts payments using Geographic Practice Cost Indices (GPCIs) that reflect local differences in physician work costs, practice expenses, and malpractice insurance. Manhattan, San Francisco, and other high-cost areas pay significantly more than rural regions. Commercial insurers follow similar geographic patterns.