Surgery and procedures CPT 27446 California Outpatient

Partial knee replacement cost in California

In California, 32 hospitals publish a cash price for partial knee replacement (one compartment): from $1,538.16 to $37,313.17, with a median of $20,092.80. The lowest price is at Healdsburg Hospital (Healdsburg). The highest price is 24.3× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 27446. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$1,538.16Healdsburg Hospital
Median$20,092.80half pay less
Highest$37,313.17in California
Lowest saves$18,554.64vs the median

Hospitals in California, cheapest first

HospitalCash price List priceFile date
Healdsburg Hospital lowest Healdsburg · Santa Rosa-Petaluma, CA HC PR 27446 PLASTY KNEE MED OR LAT COMPARTMT (27446) CDM $1,538.16 $3,016.00 Apr 1, 2026
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Cedars-Sinai Marina Hospital Marina del Rey · Los Angeles-Long Beach-Anaheim, CA Outpatient Surgical Services $1,550.64 $2,385.60 Nov 26, 2025
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Stanford Health Care Stanford · San Jose-Sunnyvale-Santa Clara, CA Arthrp Knee Condyle&Plateau Medial/Lat Cmprt $3,256.00 $6,512.00 Apr 1, 2026
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County of Monterey Salinas · Salinas, CA Replacement of knee joint on side of knee $3,691.00 $3,691.00 Aug 14, 2026
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Tahoe Forest Hospital Truckee · Truckee-Grass Valley, CA Replacement of knee joint on side of knee $5,039.00 $5,039.00 Jul 6, 2026
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Cedars-Sinai Medical Center Los Angeles · Los Angeles-Long Beach-Anaheim, CA Outpatient Grouper - 7 $5,642.80 $8,681.23 Nov 26, 2025
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Desert Valley Hospital Victorville · Riverside-San Bernardino-Ontario, CA Revision of knee joint $16,431.00 $28,366.80 Sep 1, 2026
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Shasta Regional Medical Center Redding · Redding, CA Revision of knee joint $16,431.00 $22,406.25 Sep 1, 2026
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Kaiser Foundation Hospital & Rehab Center - Vallejo Vallejo · Vallejo, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Antioch Antioch · San Francisco-Oakland-Fremont, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Fremont Fremont · San Francisco-Oakland-Fremont, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Fresno Fresno · Fresno, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Manteca Manteca · Stockton-Lodi, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Modesto Modesto · Modesto, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Oakland/Richmond Oakland · San Francisco-Oakland-Fremont, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Redwood City Redwood City · San Francisco-Oakland-Fremont, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Richmond Campus Richmond · Richmond, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Roseville Roseville · Sacramento-Roseville-Folsom, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Sacramento Sacramento · Sacramento-Roseville-Folsom, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - San Francisco San Francisco · San Francisco-Oakland-Fremont, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - San Jose San Jose · San Jose-Sunnyvale-Santa Clara, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - San Leandro San Leandro · San Francisco-Oakland-Fremont, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - San Rafael San Rafael · San Francisco-Oakland-Fremont, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Santa Clara Santa Clara · San Jose-Sunnyvale-Santa Clara, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Santa Rosa Santa Rosa · Santa Rosa-Petaluma, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - South Sacramento Sacramento · Sacramento-Roseville-Folsom, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - South San Francisco South San Francisco · San Francisco-Oakland-Fremont, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Vacaville Vacaville · Vallejo, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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Kaiser Foundation Hospital - Walnut Creek Walnut Creek · San Francisco-Oakland-Fremont, CA ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT $20,092.80 $35,880.00 —
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NorthBay Medical Center Fairfield · Vallejo, CA Arthro Knee C P Medial Lat $28,205.00 $28,205.00 Apr 1, 2026
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Ridgecrest Regional Hospital Ridgecrest · Bakersfield-Delano, CA Revision of knee joint $36,041.79 $68,003.37 Sep 11, 2026
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UC San Diego Medical Center San Diego · San Diego-Chula Vista-Carlsbad, CA Repair of knee joint $37,313.17 $67,842.12 Apr 1, 2026
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By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
San Francisco-Oakland-Fremont, CA 9 $20,092.80 $20,092.80
Sacramento-Roseville-Folsom, CA 3 $20,092.80 $20,092.80
San Jose-Sunnyvale-Santa Clara, CA 3 $3,256.00 $20,092.80
Vallejo, CA 3 $20,092.80 $20,092.80
Los Angeles-Long Beach-Anaheim, CA 2 $1,550.64 $3,596.72
Santa Rosa-Petaluma, CA 2 $1,538.16 $10,815.48
Bakersfield-Delano, CA 1 $36,041.79 $36,041.79
Fresno, CA 1 $20,092.80 $20,092.80
Modesto, CA 1 $20,092.80 $20,092.80
Richmond, CA 1 $20,092.80 $20,092.80
Redding, CA 1 $16,431.00 $16,431.00
Riverside-San Bernardino-Ontario, CA 1 $16,431.00 $16,431.00
Salinas, CA 1 $3,691.00 $3,691.00
San Diego-Chula Vista-Carlsbad, CA 1 $37,313.17 $37,313.17
Stockton-Lodi, CA 1 $20,092.80 $20,092.80
Truckee-Grass Valley, CA 1 $5,039.00 $5,039.00

What it is

This code covers replacing only the worn part of the knee joint, usually the inner side, instead of the whole joint.

What the price covers

The hospital price usually covers the operating room, recovery and supplies. The surgeon and anesthesia usually bill separately.

Partial knee replacement (one compartment) in other states

Median cash price across the state's hospitals.