Tonsil and adenoid removal, child under 12 in San Francisco-Oakland-Fremont, CA — inpatient
In San Francisco-Oakland-Fremont, CA, 9 hospitals list a cash price for Tonsil and adenoid removal, child under 12 as an inpatient: from $10,634.40 to $10,634.40, with a median of $10,634.40. The lowest listed price is at Kaiser Foundation Hospital - Antioch.
Cash prices at 9 facilities across 9 cities for code 42820, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in San Francisco-Oakland-Fremont, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Kaiser Foundation Hospital - Antioch lowest Antioch, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
| Kaiser Foundation Hospital - Fremont Fremont, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
| Kaiser Foundation Hospital - Oakland/Richmond Oakland, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
| Kaiser Foundation Hospital - Redwood City Redwood City, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
| Kaiser Foundation Hospital - San Francisco San Francisco, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
| Kaiser Foundation Hospital - San Leandro San Leandro, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
| Kaiser Foundation Hospital - San Rafael San Rafael, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
| Kaiser Foundation Hospital - South San Francisco South San Francisco, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
| Kaiser Foundation Hospital - Walnut Creek Walnut Creek, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $10,634.40 | $18,990.00 | 44% | — source file |
Inpatient: lowest $10,634.40, median $10,634.40, highest $10,634.40.
As an outpatient, the same code is billed by 9 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.