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Total Knee Replacement

Washington rates for HCPCS 27447

This is surgery to replace the worn or damaged surfaces of the knee joint with artificial components, typically performed for severe arthritis or joint damage that has not responded to other treatments. The procedure involves removing the damaged bone and cartilage and replacing it with a metal and plastic implant.

Rates data updated July 2026.

How much does Total Knee Replacement cost?

$12,621

Typical total for the visit. In Washington, July 2026.

Insurers have agreed to pay about $12,621 for this procedure. That total is two separate charges: $1,905 to the doctor who performs it, and $10,715 to the hospital or surgery center where it takes place. Done somewhere without a facility charge, you pay only the first.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 11 insurance carriers under federal price transparency rules.

What's inside this number

Part of the billTypicalRange
Physician feeThe doctor who performs it$1,905$1,349 to $3,631
Facility feeThe hospital or surgery center$10,715$2,818 to $33,113

How much rates vary

Facilitymedian $10,715 · 10th to 90th $1,698 to $60,256Professionalmedian $1,905 · 10th to 90th $851 to $6,918
$100$500$2K$10K$50Kfacility $10,715professional $1,905

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$1,698.24
Median
$15,848.93
Typical High
$60,255.96
Aetna
Setting
Facility
Modifier
54 · Surgery only
Typical Low
$1,230.27
Median
$2,398.83
Typical High
$2,630.27
Aetna
Setting
Professional
Modifier
Global
Typical Low
$831.76
Median
$1,778.28
Typical High
$6,918.31
Aetna
Setting
Professional
Modifier
AS · PA/NP assist
Typical Low
$169.82
Median
$426.58
Typical High
$1,023.29
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$275.42
Median
$1,698.24
Typical High
$2,511.89
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$26,915.35
Median
$37,153.52
Typical High
$72,443.60
Asuris Northwest Health
Setting
Facility
Modifier
50 · Both sides
Typical Low
$40,738.03
Median
$54,954.09
Typical High
$107,151.93
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$1,737.80
Median
$2,511.89
Typical High
$3,548.13
Cigna
Setting
Facility
Modifier
Global
Typical Low
$758.58
Median
$870.96
Typical High
$26,302.68
Cigna
Setting
Professional
Modifier
Global
Typical Low
$1,288.25
Median
$2,238.72
Typical High
$3,801.89
Kaiser Permanente
Setting
Facility
Modifier
Global
Typical Low
$1,621.81
Median
$2,691.53
Typical High
$23,988.33
Kaiser Permanente
Setting
Facility
Modifier
50 · Both sides
Typical Low
$20,892.96
Median
$38,904.51
Typical High
$61,659.50
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$1,513.56
Median
$2,570.40
Typical High
$16,982.44
Molina
Setting
Professional
Modifier
Global
Typical Low
$32.36
Median
$33.11
Typical High
$524.81
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$1,737.80
Median
$2,511.89
Typical High
$2,630.27
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$1,737.80
Median
$1,778.28
Typical High
$6,456.54
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$1,778.28
Median
$2,570.40
Typical High
$3,388.44
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$28,183.83
Median
$37,153.52
Typical High
$70,794.58
Regence BlueShield
Setting
Facility
Modifier
50 · Both sides
Typical Low
$42,657.95
Median
$54,954.09
Typical High
$107,151.93
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$1,737.80
Median
$2,511.89
Typical High
$3,467.37
United
Setting
Facility
Modifier
Global
Typical Low
$6,309.57
Median
$37,153.52
Typical High
$72,443.60
United
Setting
Professional
Modifier
Global
Typical Low
$1,412.54
Median
$2,187.76
Typical High
$3,890.45
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$1,071.52
Median
$1,318.26
Typical High
$2,398.83

Where Washington sits

The same service costs 4.8 times more in West Virginia than in Montana. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Physician feeFacility fee

Washington· 19th of 51

$12,621

$1,905 physician + $10,715 facility

WV $22,644MT $4,724

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.