Tonsil and adenoid removal, child under 12 in Ontario, CA
In Ontario, CA, 1 hospital lists a cash price for Tonsil and adenoid removal, child under 12: from $4,321.20 to $4,321.20, with a median of $4,321.20.
Cash prices at 1 facility 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 — and —.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Kaiser Foundation Hospital - Ontario Ontario, CA TONSILLECTOMY & ADENOIDECTOMY <AGE 12 | $4,321.20 | $8,310.00 | 48% | — source file |
Outpatient: lowest $4,321.20, median $4,321.20, highest $4,321.20.
As an inpatient, the same code is billed by 1 facility here, median $4,321.20. 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.