Surgery and procedures CPT 42821 California Outpatient

Tonsil and adenoid removal, 12+ cost in California

In California, 43 hospitals publish a cash price for tonsil and adenoid removal, age 12 or older: from $895.09 to $16,939.41, with a median of $10,080.00. The lowest price is at NorthBay Medical Center (Fairfield). The highest price is 18.9× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 42821. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$895.09NorthBay Medical Center
Median$10,080.00half pay less
Highest$16,939.41in California
Lowest saves$9,184.91vs the median

Hospitals in California, cheapest first

HospitalCash price List priceFile date
NorthBay Medical Center lowest Fairfield · Vallejo, CA Tonsil Adenoidectomy Age 12 $895.09 $895.09 Apr 1, 2026
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Tahoe Forest Hospital Truckee · Truckee-Grass Valley, CA Removal of tonsils and adenoid glands (12 years or older) $1,384.00 $1,384.00 Jul 6, 2026
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Kaiser Foundation Hospital - Baldwin Park Baldwin Park · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - Downey Downey · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - Fontana Fontana · Riverside-San Bernardino-Ontario, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - Los Angeles Los Angeles · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - Moreno Valley Moreno Valley · Riverside-San Bernardino-Ontario, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - Ontario Ontario · Ontario, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - Orange County - Anaheim Anaheim · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - Orange County - Irvine Irvine · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - Panorama City Panorama City · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - Riverside Riverside · Riverside-San Bernardino-Ontario, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - San Diego - Clairemont Mesa San Diego · San Diego-Chula Vista-Carlsbad, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - San Diego - Zion San Diego · San Diego-Chula Vista-Carlsbad, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - San Marcos San Marcos · San Diego-Chula Vista-Carlsbad, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - South Bay Harbor City · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - West la Los Angeles · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Kaiser Foundation Hospital - Woodland Hills Woodland Hills · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $1,456.00 $2,800.00 —
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Cedars-Sinai Marina Hospital Marina del Rey · Los Angeles-Long Beach-Anaheim, CA Ambulatory Surgery û Cigna Grouper Schedule* Grouper 5 $1,550.64 $2,385.60 Nov 26, 2025
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Cedars-Sinai Medical Center Los Angeles · Los Angeles-Long Beach-Anaheim, CA Outpatient Surgical Group 5 $3,964.84 $6,099.75 Nov 26, 2025
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La Palma Intercommunity Hospital La Palma · Los Angeles-Long Beach-Anaheim, CA Hc Tonsillectomy & Adenoidectomy Age 12/> $4,243.00 $13,969.90 Sep 1, 2026
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Kaiser Foundation Hospital & Rehab Center - Vallejo Vallejo · Vallejo, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Antioch Antioch · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Fremont Fremont · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Fresno Fresno · Fresno, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Manteca Manteca · Stockton-Lodi, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Modesto Modesto · Modesto, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Oakland/Richmond Oakland · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Redwood City Redwood City · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Richmond Campus Richmond · Richmond, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Roseville Roseville · Sacramento-Roseville-Folsom, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Sacramento Sacramento · Sacramento-Roseville-Folsom, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - San Francisco San Francisco · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - San Jose San Jose · San Jose-Sunnyvale-Santa Clara, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - San Leandro San Leandro · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - San Rafael San Rafael · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Santa Clara Santa Clara · San Jose-Sunnyvale-Santa Clara, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Santa Rosa Santa Rosa · Santa Rosa-Petaluma, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - South Sacramento Sacramento · Sacramento-Roseville-Folsom, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - South San Francisco South San Francisco · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Vacaville Vacaville · Vallejo, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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Kaiser Foundation Hospital - Walnut Creek Walnut Creek · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY AGE 12/> $10,080.00 $18,000.00 —
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UC San Diego Medical Center San Diego · San Diego-Chula Vista-Carlsbad, CA Removal of tonsils and adenoid glands patient age 12 or over $16,939.41 $30,798.93 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
Los Angeles-Long Beach-Anaheim, CA 12 $1,456.00 $1,456.00
San Francisco-Oakland-Fremont, CA 9 $10,080.00 $10,080.00
San Diego-Chula Vista-Carlsbad, CA 4 $1,456.00 $1,456.00
Riverside-San Bernardino-Ontario, CA 3 $1,456.00 $1,456.00
Sacramento-Roseville-Folsom, CA 3 $10,080.00 $10,080.00
Vallejo, CA 3 $895.09 $10,080.00
San Jose-Sunnyvale-Santa Clara, CA 2 $10,080.00 $10,080.00
Fresno, CA 1 $10,080.00 $10,080.00
Modesto, CA 1 $10,080.00 $10,080.00
Ontario, CA 1 $1,456.00 $1,456.00
Richmond, CA 1 $10,080.00 $10,080.00
Santa Rosa-Petaluma, CA 1 $10,080.00 $10,080.00
Stockton-Lodi, CA 1 $10,080.00 $10,080.00
Truckee-Grass Valley, CA 1 $1,384.00 $1,384.00

What it is

This is surgery to remove both the tonsils and the adenoids in someone age 12 or older. It is done for repeated infections or for snoring and breathing problems during sleep caused by enlarged tonsils and adenoids.

What the price covers

The facility price covers the operating room and recovery. The surgeon's fee and anesthesia are usually billed separately.

Tonsil and adenoid removal, age 12 or older in other states

Median cash price across the state's hospitals.