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Partial knee replacement in Washington: what insurers pay

Posted commercial rates at 33 Washington hospitals, each next to its own Medicare base rate.

Open in the explorerAll statesEvery bill for the whole procedure

CPT 27446

HospitalMedian across insurers× MedicareInsurersFile date
Trios Kennewick$13,4410.9×52026-07-17
Astria Toppenish Hospital Toppenish$13,4910.9×42026-04-01
Providence St Mary Medical Center Walla Walla$19,5631.4×62026-04-01
Legacy Salmon Creek Medical Center Vancouver$21,5531.5×72026-04-01
Providence Regional Medical Center Everett Everett$29,7992.1×72026-04-01
Swedish Issaquah Issaquah$33,8662.3×62026-04-01
Multicare Capital Medical Center Olympia$34,5882.4×92026-08-27
Overlake Hospital Medical Center Bellevue$35,6182.4×62026-04-01
St Elizabeth Hospital Enumclaw$35,9682.4×62026-02-28
Swedish Edmonds Hospital Edmonds$36,9312.6×62026-04-01
Providence Holy Family Hospital Spokane$37,3692.6×52026-04-01
Kadlec Regional Medical Center Richland$37,9512.6×42026-04-01
Multicare Valley Hospital Spokane$37,9562.6×62026-08-27
Multicare Deaconess Hospital Spokane$38,2662.7×52026-08-27
St Anne Hospital Burien$39,9082.7×72026-02-28
St Clare Hospital Lakewood$40,6702.7×82026-02-28
St Joseph Medical Center Tacoma$40,6702.7×82026-02-28
St Francis Community Hospital Federal Way$40,6702.7×82026-02-28
St Anthony Hospital Gig Harbor$41,3882.8×82026-02-28
Virginia Mason Medical Center Seattle$41,6352.8×62026-01-01
Multicare Auburn Medical Center Auburn$46,4983.1×82026-08-27
Tacoma General Allenmore Hospital Tacoma$46,4983.1×82026-08-27
Multicare Covington Medical Center Covington$46,4983.1×82026-08-27
Swedish Medical Center / Cherry Hill Seattle$46,6743.1×62026-04-01
Swedish Medical Center Seattle$46,8933.1×62026-04-01
Multicare Good Samaritan Hospital Puyallup$54,5983.6×62026-08-27
St Michael Medical Center Bremerton$57,1123.9×32026-02-28
Providence Centralia Hospital Centralia$62,6044.4×42026-04-01
Mary Bridge Children'S Hospital Tacoma$68,7764.6×52026-08-27

MS-DRG 470

HospitalMedian across insurers× MedicareInsurersFile date
Trios Kennewick$15,4721.0×72026-07-17
Shriners Hospital For Children Spokane$20,0141.3×82026-03-18
Skagit Valley Hospital Mount Vernon$27,3051.8×42026-03-26
Confluence Health Hospital Wenatchee$29,6501.9×22026-04-21
Kadlec Regional Medical Center Richland$31,5452.0×32026-04-01
Providence St Mary Medical Center Walla Walla$31,8882.1×42026-04-01
Multicare Capital Medical Center Olympia$34,9212.3×92026-08-27
St Elizabeth Hospital Enumclaw$36,4222.3×72026-02-28
Multicare Valley Hospital Spokane$36,6842.4×82026-08-27
Providence Holy Family Hospital Spokane$37,8252.5×72026-04-01
Overlake Hospital Medical Center Bellevue$38,1142.4×72026-04-01
St Anne Hospital Burien$38,8342.4×82026-02-28
Multicare Deaconess Hospital Spokane$40,4582.6×82026-08-27
Swedish Edmonds Hospital Edmonds$40,8562.6×72026-04-01
Legacy Salmon Creek Medical Center Vancouver$41,2852.7×62026-04-01
Multicare Auburn Medical Center Auburn$41,4492.6×92026-08-27
Tacoma General Allenmore Hospital Tacoma$41,4492.5×92026-08-27
Multicare Covington Medical Center Covington$41,4492.6×92026-08-27
Multicare Good Samaritan Hospital Puyallup$41,5452.6×92026-08-27
St Clare Hospital Lakewood$41,9012.6×92026-02-28
St Joseph Medical Center Tacoma$41,9012.6×92026-02-28
St Francis Community Hospital Federal Way$41,9012.6×92026-02-28
St Anthony Hospital Gig Harbor$41,9012.6×92026-02-28
Swedish Issaquah Issaquah$43,7782.7×62026-04-01
Virginia Mason Medical Center Seattle$43,8842.7×72026-01-01
Providence Regional Medical Center Everett Everett$44,1582.9×72026-04-01
St Michael Medical Center Bremerton$48,4143.0×32026-02-28
Swedish Medical Center / Cherry Hill Seattle$52,6823.3×72026-04-01
Swedish Medical Center Seattle$52,6823.3×72026-04-01
Mary Bridge Children'S Hospital Tacoma$52,9283.3×62026-08-27
Lourdes Medical Center Pasco$53,4323.5×22026-07-10
Providence Centralia Hospital Centralia$56,4963.7×32026-04-01

Questions

How much do insurers pay for partial knee replacement in Washington?

33 Washington hospitals post usable commercial rates for partial knee replacement in their federal price-transparency files. For CPT 27446, hospital outpatient, the median across 29 hospitals is $39,908, 2.7× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.