Surgery and procedures CPT 42820 Outpatient

Tonsil and adenoid removal, child under 12 in Vallejo, CA

In Vallejo, CA, 3 hospitals list a cash price for Tonsil and adenoid removal, child under 12: from $857.22 to $11,074.00, with a median of $10,634.40. The lowest listed price is at Northbay Medical Center.

Cash prices at 3 facilities across 3 cities for code 42820, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$857.22Northbay Medical Center
Median$10,634.40half pay less
Highest$11,074.00in this market
Difference12.9×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Vallejo, CA.

median
Lowest $857.22Highest $11,074.00

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Northbay Medical Center lowest Fairfield, CA Rem Tonsils Adenoids 12 Yrs $857.22 $857.22 Apr 1, 2026
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Northbay Medical Center Fairfield, CA Rem Tonsils Adenoids 12 Yrs $857.22 $857.22 Apr 1, 2026
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Kaiser Foundation Hospital - Vacaville Vacaville, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 44%
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Kaiser Foundation Hospital & Rehab Center - Vallejo Vallejo, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 $10,634.40 $18,990.00 44%
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Northbay Medical Center Fairfield, CA Rem Tonsils Adenoids <12 Yrs $11,074.00 $11,074.00 Apr 1, 2026
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Northbay Medical Center Fairfield, CA Rem Tonsils Adenoids <12 Yrs $11,074.00 $11,074.00 Apr 1, 2026
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Outpatient: lowest $857.22, median $10,634.40, highest $11,074.00 — a 12.9× difference within the same market.

As an inpatient, the same code is billed by 3 facilities here, median $10,634.40. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

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.