Tonsil and adenoid removal, child under 12 in Vallejo, CA — inpatient
In Vallejo, CA, 3 hospitals list a cash price for Tonsil and adenoid removal, child under 12 as an inpatient: 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 inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
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.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Northbay Medical Center lowest Fairfield, CA Rem Tonsils Adenoids 12 Yrs | $857.22 | $857.22 | — | Apr 1, 2026 source file |
| Northbay Medical Center Fairfield, CA Rem Tonsils Adenoids 12 Yrs | $857.22 | $857.22 | — | Apr 1, 2026 source file |
| Kaiser Foundation Hospital - Vacaville Vacaville, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
| Kaiser Foundation Hospital & Rehab Center - Vallejo Vallejo, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
| Northbay Medical Center Fairfield, CA Rem Tonsils Adenoids <12 Yrs | $11,074.00 | $11,074.00 | — | Apr 1, 2026 source file |
| Northbay Medical Center Fairfield, CA Rem Tonsils Adenoids <12 Yrs | $11,074.00 | $11,074.00 | — | Apr 1, 2026 source file |
Inpatient: lowest $857.22, median $10,634.40, highest $11,074.00 — a 12.9× difference within the same market.
As an outpatient, the same code is billed by 3 facilities here, median $10,634.40 — that is the price to compare if you are not being admitted.
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.