Procedure · Updated Aug 1, 2026

Knee replacement: CPT code and Medicare rate

Total knee arthroplasty — resurfacing both sides of the knee joint, done for advanced arthritis that has not responded to non-surgical treatment.

Also called: total knee replacement, knee arthroplasty, tkr, new knee.

Usually billed as

27447 Knee Replacement

Office (non-facility): $1,159.35
Facility: $1,159.35

National amounts for the Q3 2026 release (July 1 – September 30, 2026), using geographic index values of 1.000. Your local rate differs—open the code page for the locality breakdown.

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Knee replacement: which code is it?

27447—Knee Replacement. Total knee arthroplasty — resurfacing both sides of the knee joint, done for advanced arthritis that has not responded to non-surgical treatment.

Knee replacement: how much does Medicare pay?

Nationally, the Q3 2026 Physician Fee Schedule pays $1,159.35 in an office (non-facility) setting and $1,159.35 in a facility setting for 27447. Your local amount differs—the national figure applies geographic index values of 1.000, and Medicare then pays 80% of the allowed amount after the deductible is met.

Need the rate where you practice?

Every code page carries the full locality breakdown, the RVU and GPCI inputs, and the release that answered.

Open the code page

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All procedures How Medicare pays Office vs. facility rates Check a medical bill

This page maps everyday language to the code a claim normally carries. It is general information about how Medicare prices a service, not coding advice for a specific claim—the correct code always depends on what was actually documented and performed.

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