Hepatitis B immunity test cost in Napa, CA — inpatient
In Napa, CA, 1 hospital lists a cash price for hepatitis B surface antibody (anti-HBs) test, immunity check as an inpatient: from $32.61 to $32.61, with a median of $32.61. Across California, the median is $53.11 at 93 hospitals.
Cash prices at 1 facility for code 86706, 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 Napa, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Providence Queen of the Valley Medical Center lowest Napa, CA · (707) 252-4411 HC HEPATITIS B SURF ANTIBODY HBSAB CDM | $32.61 | $63.95 | — | 49% | Apr 1, 2026 source file |
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC HEP B SURFACE ANTIBODY - TITER | $354.96 | $696.00 | — | 49% | Apr 1, 2026 source file |
Inpatient: lowest $32.61, median $32.61, highest $32.61.
As an outpatient, the same code is billed by 1 facility here, median $32.61 — that is the price to compare if you are not being admitted.
What it is
The hepatitis B surface antibody test shows immunity to hepatitis B, from vaccination or a past infection. Schools and employers in health care often ask for it as proof of immunity.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.
1 row held back from this comparison
It is priced below $1 or below a tenth of the national median for code 86706 ($62.91). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| Providence Queen of the Valley Medical Center Napa, CAHC HEPATITIS B SURF ANTIBODY HBSAB LAB | $2.55 | file |