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Partial knee replacement: what insurers pay

Only one worn compartment of the knee is resurfaced (unicompartmental knee replacement). Commercial negotiated rates by hospital and market, next to Medicare for the same code.

Open the interactive explorerAll operations

CPT 27446: Partial Knee Replacement

1003 hospitals in 78 markets. National Medicare rate $13,117, surgery center $9,214.

MarketHospitals25th pctMedian75th pctLow–high
Alabama (statewide)12$13,366$14,623$18,504$7,252–$29,754
Alaska (statewide)3———$19,075–$22,174
Arizona (statewide)8$9,168$14,618$17,266$8,061–$27,140
Arkansas (statewide)6$10,855$11,832$14,164$8,200–$17,784
Atlanta GA6$8,702$8,702$14,708$8,702–$16,710
Austin TX13$11,962$18,378$21,800$11,962–$21,800
Boston MA10$19,976$20,406$20,572$12,052–$20,684
California (statewide)54$18,107$35,254$47,164$9,909–$48,690
Charlotte NC5$15,297$15,297$15,297$15,089–$15,297
Chicago IL7$14,524$22,164$26,966$8,167–$27,813
Cleveland OH11$13,058$17,327$22,848$12,191–$35,556
Colorado (statewide)12$12,831$16,766$18,080$10,857–$23,415
Columbus OH1———$46,178–$46,178
Connecticut (statewide)2———$24,914–$53,492
Dallas-Fort Worth TX12$18,853$19,668$21,910$18,830–$39,785
Denver CO15$13,724$20,490$23,010$9,531–$23,415
Detroit MI13$18,344$18,990$18,990$11,318–$27,184
Florida (statewide)59$12,516$16,732$27,962$7,150–$40,029
Georgia (statewide)24$11,779$16,710$24,656$5,681–$37,095
Hawaii (statewide)4———$10,869–$18,892
Houston TX19$18,696$19,712$20,428$14,305–$24,505
Idaho (statewide)13$13,048$24,048$32,682$11,069–$39,877
Illinois (statewide)22$14,124$19,108$27,813$10,496–$38,226
Indiana (statewide)32$19,066$27,801$39,006$10,977–$50,276
Indianapolis IN3———$24,738–$57,617
Iowa (statewide)17$18,955$22,613$27,849$11,688–$38,961
Kansas (statewide)12$16,258$17,550$21,071$11,200–$26,366
Kentucky (statewide)11$17,391$22,036$24,740$9,210–$36,354
Las Vegas NV2———$7,907–$28,265
Los Angeles CA17$16,300$17,698$23,533$13,890–$36,803
Louisiana (statewide)23$12,254$15,467$19,433$10,332–$24,903
Maine (statewide)17$52,722$59,196$61,208$13,596–$76,956
Maryland (statewide)1———$8,789–$8,789
Massachusetts (statewide)4———$16,046–$19,110
Miami-Fort Lauderdale FL1———$24,023–$24,023
Michigan (statewide)21$12,793$18,990$20,776$7,176–$29,559
Minneapolis-St. Paul MN8$11,192$17,232$19,597$10,942–$27,696
Minnesota (statewide)13$18,358$34,778$42,342$15,579–$58,164
Mississippi (statewide)11$14,368$15,520$17,731$7,992–$35,014
Missouri (statewide)12$19,345$24,349$25,858$11,200–$38,731
Montana (statewide)4———$14,311–$42,576
Nashville TN8$24,613$24,658$25,425$24,343–$27,964
Nebraska (statewide)11$11,688$11,734$19,768$7,907–$23,542
Nevada (statewide)4———$7,907–$18,132
New Hampshire (statewide)6$32,970$42,058$43,553$17,409–$57,492
New Jersey (statewide)13$15,153$15,638$19,421$12,874–$25,002
New Mexico (statewide)6$15,320$26,125$36,382$9,607–$55,239
New York (statewide)27$19,150$21,069$27,308$10,006–$44,471
New York City8$19,632$19,632$30,138$12,297–$45,290
North Carolina (statewide)7$12,946$14,000$14,000$11,832–$29,500
North Dakota (statewide)5$19,812$22,259$23,240$16,908–$30,070
Ohio (statewide)35$19,302$26,234$33,292$10,256–$49,348
Oklahoma (statewide)8$22,904$25,244$27,683$16,632–$58,392
Oregon (statewide)7$32,949$38,984$50,546$27,710–$61,050
Pennsylvania (statewide)26$20,266$29,978$43,879$7,992–$59,058
Philadelphia PA10$10,869$12,761$12,854$7,992–$18,193
Phoenix AZ8$22,288$27,140$27,140$7,731–$27,140
Pittsburgh PA7$16,788$26,129$27,549$10,176–$32,386
Portland OR9$26,100$26,100$50,741$21,553–$50,741
Rhode Island (statewide)4———$19,034–$30,087
Richmond VA3———$25,280–$28,422
Rio Grande Valley TX5$16,447$17,308$17,326$16,219–$40,947
Salt Lake City UT9$18,788$19,428$19,428$11,982–$20,069
San Antonio TX3———$18,424–$18,482
San Diego CA3———$23,366–$30,449
San Francisco Bay Area CA4———$13,784–$46,970
Seattle-Tacoma WA16$39,164$41,029$46,498$29,799–$54,598
South Carolina (statewide)18$20,892$22,824$30,230$13,546–$42,756
South Dakota (statewide)3———$20,401–$55,350
Tampa FL6$16,732$16,732$16,732$15,638–$20,226
Tennessee (statewide)23$12,231$21,616$24,574$9,554–$27,758
Texas (statewide)74$13,934$19,056$19,979$9,210–$46,675
Utah (statewide)6$12,829$17,079$18,788$11,982–$19,428
Virginia (statewide)19$33,132$36,624$38,411$12,301–$43,511
Washington (statewide)12$30,832$37,660$42,978$13,441–$68,776
Washington DC9$26,902$26,902$28,440$11,384–$30,393
West Virginia (statewide)5$14,282$21,447$52,092$12,304–$85,473
Wisconsin (statewide)36$17,941$17,955$27,993$6,324–$58,308

Lowest and highest 12 hospital medians

HospitalMarketMedian across insurers× MedicareInsurersFile date
Atrium Health Navicent PeachGeorgia (statewide)$5,6810.5×12025-11-19
Atrium Health Navicent The Medical CenterGeorgia (statewide)$6,1380.5×22025-11-19
Watertown Regional Medical CenterWisconsin (statewide)$6,3240.5×12026-04-01
Baptist Medical Center JacksonvilleFlorida (statewide)$7,1500.5×22026-02-06
Baptist Medical Center - BeachesFlorida (statewide)$7,1500.5×22026-02-06
Baptist Medical Center - NassauFlorida (statewide)$7,1500.5×22026-02-06
Oaklawn HospitalMichigan (statewide)$7,1760.6×22026-03-27
Southeast Health Medical CenterAlabama (statewide)$7,2520.7×12026-03-10
Corewell Health Zeeland HospitalMichigan (statewide)$7,2940.6×12026-05-01
Corewell Health Big Rapids HospitalMichigan (statewide)$7,2940.6×12026-05-01
Corewell Health Gerber HospitalMichigan (statewide)$7,2940.6×12026-05-01
Corewell Health Pennock HospitalMichigan (statewide)$7,2940.6×12026-05-01
Mainehealth Pen Bay HospitalMaine (statewide)$60,4724.8×12025-09-09
Providence Medford Medical CenterOregon (statewide)$61,0504.0×22026-04-01
Northern Light Mercy HospitalMaine (statewide)$61,2084.7×22026-04-15
Northern Light Blue Hill Memorial HospitalMaine (statewide)$61,2084.8×22026-03-30
Northern Light C A Dean HospitalMaine (statewide)$61,2084.8×22026-03-30
Northern Light Sebasticook Valley HospitalMaine (statewide)$61,2084.8×22026-03-30
Providence Centralia HospitalWashington (statewide)$62,6044.4×42026-04-01
Mainehealth Waldo HospitalMaine (statewide)$63,2185.0×12025-09-09
Northern Light Mayo HospitalMaine (statewide)$64,4665.1×22026-03-30
Mary Bridge Children'S HospitalWashington (statewide)$68,7764.6×52026-08-27
Mainehealth Lincoln HospitalMaine (statewide)$76,9566.1×12025-09-09
Logan Regional Medical CenterWest Virginia (statewide)$85,4736.9×12026-04-01

Every hospital is on its state's page (linked in the market table) and in the interactive explorer.

MS-DRG 470: Major Hip and Knee Joint Replacement Or Reattachment of Lower Extremity Without McC

1564 hospitals in 83 markets. National Medicare rate $14,036.

MarketHospitals25th pctMedian75th pctLow–high
Alabama (statewide)22$17,216$20,146$22,264$12,924–$44,893
Alaska (statewide)4———$17,002–$62,344
Arizona (statewide)28$26,582$33,942$42,862$13,152–$65,264
Arkansas (statewide)11$16,814$17,975$19,668$14,526–$22,645
Atlanta GA10$34,026$36,912$38,108$34,026–$55,510
Austin TX13$12,167$22,229$23,016$10,268–$27,574
Boston MA15$15,682$17,842$19,885$13,679–$29,071
California (statewide)56$21,395$26,405$33,098$11,954–$104,977
Charlotte NC9$31,586$31,586$37,840$21,638–$37,840
Chicago IL10$23,602$27,113$31,291$17,908–$35,878
Cleveland OH11$19,648$24,445$25,854$17,126–$39,466
Colorado (statewide)16$28,415$36,178$44,602$11,818–$60,647
Columbus OH3———$34,948–$51,689
Connecticut (statewide)6$25,738$33,212$39,329$17,350–$48,975
Dallas-Fort Worth TX15$19,488$24,917$26,941$18,268–$45,593
Delaware (statewide)2———$30,639–$34,972
Denver CO15$22,092$25,404$38,313$19,548–$50,162
Detroit MI17$26,422$26,606$38,196$20,596–$48,604
Florida (statewide)93$19,384$22,106$36,830$14,074–$57,938
Georgia (statewide)44$26,008$37,116$43,228$15,726–$55,510
Hawaii (statewide)12$19,891$26,270$38,979$19,101–$43,133
Houston TX19$22,498$24,636$30,578$18,135–$44,669
Idaho (statewide)16$30,219$39,353$41,410$16,470–$46,700
Illinois (statewide)44$18,634$21,092$26,982$12,984–$41,722
Indiana (statewide)53$16,180$24,108$32,411$12,648–$42,165
Indianapolis IN6$15,001$25,156$41,622$14,482–$43,726
Iowa (statewide)23$19,462$22,099$27,223$15,981–$32,059
Kansas (statewide)28$19,698$22,152$25,594$11,659–$62,344
Kentucky (statewide)31$16,918$19,559$25,678$11,658–$50,450
Las Vegas NV2———$24,961–$37,956
Los Angeles CA18$32,062$34,360$35,814$25,797–$42,436
Louisiana (statewide)24$14,750$17,626$20,635$11,570–$25,419
Maine (statewide)13$38,270$46,750$52,536$24,676–$52,536
Maryland (statewide)1———$34,377–$34,377
Massachusetts (statewide)10$20,054$26,326$29,908$13,752–$44,691
Miami-Fort Lauderdale FL4———$18,811–$32,900
Michigan (statewide)41$21,558$24,436$27,383$12,838–$43,012
Minneapolis-St. Paul MN15$28,849$32,382$32,508$20,194–$34,302
Minnesota (statewide)23$23,833$24,614$32,168$10,590–$47,255
Mississippi (statewide)22$20,924$21,218$22,712$14,707–$31,956
Missouri (statewide)28$18,363$20,986$23,503$11,891–$45,593
Montana (statewide)7$21,722$31,933$42,469$9,001–$64,592
Nashville TN8$16,341$16,712$21,844$15,974–$36,202
Nebraska (statewide)15$31,600$33,644$39,172$22,074–$46,068
Nevada (statewide)8$26,307$32,414$43,852$21,230–$60,482
New Hampshire (statewide)8$23,964$28,210$31,991$13,683–$45,368
New Jersey (statewide)21$32,252$37,115$41,888$18,212–$56,150
New Mexico (statewide)10$19,159$23,580$29,287$13,230–$56,778
New York (statewide)47$21,958$25,847$33,955$13,994–$60,460
New York City9$36,121$37,154$56,187$16,804–$68,940
North Carolina (statewide)34$17,231$22,566$36,326$11,660–$46,587
North Dakota (statewide)7$23,502$23,962$25,200$19,477–$34,044
Ohio (statewide)53$20,388$30,852$35,771$12,390–$60,600
Oklahoma (statewide)19$14,602$19,730$21,104$11,033–$36,923
Oregon (statewide)15$26,890$33,093$38,560$17,209–$50,742
Pennsylvania (statewide)62$20,537$28,250$34,206$13,252–$54,550
Philadelphia PA11$33,478$36,656$42,835$30,706–$56,150
Phoenix AZ11$32,107$34,152$38,833$32,107–$42,862
Pittsburgh PA7$21,882$23,315$28,770$18,762–$29,554
Portland OR9$38,628$41,285$49,095$37,922–$49,095
Research Triangle NC9$24,283$28,137$29,117$19,477–$31,260
Rhode Island (statewide)7$23,072$30,470$38,786$18,457–$41,230
Richmond VA7$24,084$35,375$46,776$22,294–$49,407
Rio Grande Valley TX7$22,501$23,629$27,112$19,989–$27,962
Salt Lake City UT9$35,238$35,238$35,238$33,624–$35,238
San Antonio TX3———$25,679–$41,372
San Diego CA7$22,259$27,005$29,912$22,202–$32,156
San Francisco Bay Area CA2———$23,685–$31,888
Seattle-Tacoma WA16$41,449$41,901$43,804$38,114–$52,682
South Carolina (statewide)31$34,388$40,030$51,118$14,408–$58,456
South Dakota (statewide)4———$21,218–$31,374
St. Louis MO7$22,524$23,993$23,993$9,857–$37,752
Tampa FL11$37,410$38,113$39,818$29,820–$42,781
Tennessee (statewide)33$16,360$19,074$22,008$14,522–$36,202
Texas (statewide)90$19,730$23,096$29,214$9,724–$50,450
Utah (statewide)6$31,444$37,622$41,221$14,149–$41,626
Vermont (statewide)3———$23,573–$52,106
Virginia (statewide)26$29,514$37,830$40,226$19,460–$66,408
Washington (statewide)15$30,598$36,422$44,436$15,472–$56,496
Washington DC11$31,040$36,967$38,106$21,233–$40,615
West Virginia (statewide)13$10,225$11,016$30,630$8,659–$46,459
Wisconsin (statewide)51$25,066$33,609$39,710$13,088–$46,396
Wyoming (statewide)2———$30,621–$41,811

Lowest and highest 12 hospital medians

HospitalMarketMedian across insurers× MedicareInsurersFile date
Wetzel County HospitalWest Virginia (statewide)$8,6590.7×22026-07-10
Mccone County Health CenterMontana (statewide)$9,0010.6×12026-01-01
Memorial Medical CenterTexas (statewide)$9,7240.7×12026-09-14
Mercy Hospital SouthSt. Louis MO$9,8570.7×12026-06-10
Weirton Medical Center, IncWest Virginia (statewide)$9,8940.8×22026-07-10
Reynolds Memorial Hospital, IncWest Virginia (statewide)$9,9290.8×32026-07-09
Thomas Memorial HospitalWest Virginia (statewide)$10,2250.8×32026-07-10
Dell Seton Med Center At The University Of TxAustin TX$10,2680.7×22026-01-01
Ascension Seton Highland LakesTexas (statewide)$10,2680.7×22026-01-01
Ascension Seton Edgar B DavisTexas (statewide)$10,2680.7×22026-01-01
Dell Children'S Medical CenterTexas (statewide)$10,2680.7×22026-01-01
Cedar Park Regional Medical CenterAustin TX$10,2680.7×22026-01-01
Lodi Community HospitalOhio (statewide)$60,6004.7×12026-06-15
Intermountain Health St. Mary'S Regional HospitalColorado (statewide)$60,6474.2×42026-03-22
Carilion Roanoke Memorial HospitalVirginia (statewide)$61,1274.6×12025-12-15
Providence Alaska Medical CenterAlaska (statewide)$62,3444.1×42026-04-01
Providence Medical CenterKansas (statewide)$62,3444.8×42026-04-01
Lac/Olive View-Ucla Medical CenterCalifornia (statewide)$63,6893.5×12026-03-12
Providence St Joseph Medical CenterMontana (statewide)$64,5924.6×12026-04-01
Page HospitalArizona (statewide)$65,2644.4×12026-03-02
Lac/Harbor-Ucla Med CenterCalifornia (statewide)$66,2663.7×12026-03-12
Carilion New River Valley Medical CenterVirginia (statewide)$66,4085.0×12025-12-15
Hospital for Special SurgeryNew York City$68,9404.0×132026-04-01
Lac/Rancho Los Amigos National Rehabilitation CtrCalifornia (statewide)$104,9775.8×12026-03-12

Every hospital is on its state's page (linked in the market table) and in the interactive explorer.

Questions

How much do commercial insurers pay hospitals for partial knee replacement?

Across 1003 hospitals in 78 markets (metro areas and statewide) that post a usable dollar rate, the median commercial rate for CPT 27446, hospital outpatient is $20,119, 1.5× the same hospital's local Medicare base rate. The middle half of hospitals runs $15,411 to $28,435. Figures are each hospital's median across insurers, from its federal price-transparency file.

What does Medicare pay for partial knee replacement?

Medicare's national hospital outpatient rate for CPT 27446 is $13,117 and its surgery-center rate is $9,214, before local wage adjustment.

Which hospitals post the lowest and highest commercial rates for partial knee replacement?

Lowest medians: Atrium Health Navicent Peach ($5,681), Atrium Health Navicent The Medical Center ($6,138), Watertown Regional Medical Center ($6,324). Highest: Logan Regional Medical Center ($85,473), Mainehealth Lincoln Hospital ($76,956), Mary Bridge Children'S Hospital ($68,776). Coverage: every hospital whose price file we could read.