Surgery and procedures CPT 42820 California Outpatient

Tonsil and adenoid removal, child under 12 cost in California

In California, 43 hospitals publish a cash price for Tonsil and adenoid removal, child under 12: from $857.22 to $10,634.40, with a median of $6,749.08. The lowest price is at Northbay Medical Center (Fairfield). The highest price is 12.4× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 42820. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$857.22Northbay Medical Center
Median$6,749.08half pay less
Highest$10,634.40in California
Lowest saves$5,891.86vs the median

Hospitals in California, cheapest first

HospitalCash price List priceFile date
Northbay Medical Center lowest Fairfield · Vallejo, CA Rem Tonsils Adenoids 12 Yrs $857.22 $857.22 Apr 1, 2026
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Cedars-Sinai Marina Hospital Marina del Rey · Los Angeles-Long Beach-Anaheim, CA Ambulatory Surgery û Cigna Grouper Schedule* Grouper 3 $991.47 $1,525.34 Nov 26, 2025
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Tahoe Forest Hospital District Truckee · Truckee-Grass Valley, CA Removal of tonsils and adenoid glands (younger than 12 years) $1,283.00 $1,283.00 Jul 6, 2026
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Cedars-Sinai Medical Center Los Angeles · Los Angeles-Long Beach-Anaheim, CA Outpatient Grouper - 3 $3,964.84 $6,099.75 Nov 26, 2025
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Kaiser Foundation Hospital - Baldwin Park Baldwin Park · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - Downey Downey · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - Fontana Fontana · Riverside-San Bernardino-Ontario, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - Los Angeles Los Angeles · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - Moreno Valley Moreno Valley · Moreno Valley, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - Ontario Ontario · Ontario, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - Orange County - Anaheim Anaheim · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - Orange County - Irvine Irvine · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - Panorama City Panorama City · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - Riverside Riverside · Riverside-San Bernardino-Ontario, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - San Diego - Clairemont Mesa San Diego · San Diego-Chula Vista-Carlsbad, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - San Diego - Zion San Diego · San Diego-Chula Vista-Carlsbad, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - San Marcos San Marcos · San Diego-Chula Vista-Carlsbad, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - South Bay Harbor City · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - West la Los Angeles · Los Angeles, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Kaiser Foundation Hospital - Woodland Hills Woodland Hills · Los Angeles-Long Beach-Anaheim, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $4,321.20 $8,310.00 —
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Watsonville Community Hospital Watsonville · Santa Cruz-Watsonville, CA REMOVE TONSILS AND ADENOIDS $5,560.83 $9,268.05 Sep 15, 2026
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Riverside University Medical Center Moreno Valley · Riverside-San Bernardino-Ontario, CA HC Tonsillectomy Under 12 Yo $6,749.08 $6,749.08 —
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Kaiser Foundation Hospital & Rehab Center - Vallejo Vallejo · Vallejo, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Antioch Antioch · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Fremont Fremont · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Fresno Fresno · Fresno, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Manteca Manteca · Stockton-Lodi, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Modesto Modesto · Modesto, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Oakland/Richmond Oakland · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Redwood City Redwood City · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Richmond Campus Richmond · Richmond, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Roseville Roseville · Sacramento-Roseville-Folsom, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Sacramento Sacramento · Sacramento-Roseville-Folsom, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - San Francisco San Francisco · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - San Jose San Jose · San Jose-Sunnyvale-Santa Clara, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - San Leandro San Leandro · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - San Rafael San Rafael · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Santa Clara Santa Clara · San Jose-Sunnyvale-Santa Clara, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Santa Rosa Santa Rosa · Santa Rosa-Petaluma, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - South Sacramento Sacramento · Sacramento-Roseville-Folsom, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - South San Francisco South San Francisco · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Vacaville Vacaville · Vallejo, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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Kaiser Foundation Hospital - Walnut Creek Walnut Creek · San Francisco-Oakland-Fremont, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 —
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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 10 $991.47 $4,321.20
San Francisco-Oakland-Fremont, CA 9 $10,634.40 $10,634.40
Riverside-San Bernardino-Ontario, CA 3 $4,321.20 $4,321.20
Sacramento-Roseville-Folsom, CA 3 $10,634.40 $10,634.40
San Diego-Chula Vista-Carlsbad, CA 3 $4,321.20 $4,321.20
Vallejo, CA 3 $857.22 $10,634.40
San Jose-Sunnyvale-Santa Clara, CA 2 $10,634.40 $10,634.40
Fresno, CA 1 $10,634.40 $10,634.40
Los Angeles, CA 1 $4,321.20 $4,321.20
Moreno Valley, CA 1 $4,321.20 $4,321.20
Modesto, CA 1 $10,634.40 $10,634.40
Ontario, CA 1 $4,321.20 $4,321.20
Richmond, CA 1 $10,634.40 $10,634.40
Santa Cruz-Watsonville, CA 1 $5,560.83 $5,560.83
Santa Rosa-Petaluma, CA 1 $10,634.40 $10,634.40
Stockton-Lodi, CA 1 $10,634.40 $10,634.40
Truckee-Grass Valley, CA 1 $1,283.00 $1,283.00

What it is

This is surgery to remove both the tonsils and the adenoids in a child younger than 12. It is commonly done for repeated throat infections or for snoring and breathing problems during sleep caused by large 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, child under 12 in other states

Median cash price across the state's hospitals.