Hepatitis B test cost in San Andreas, CA
In San Andreas, CA, 1 hospital lists a cash price for hepatitis B surface antigen (HBsAg) test: from $17.21 to $17.21, with a median of $17.21. Across California, the median is $62.10 at 147 hospitals.
Cash prices at 1 facility for code 87340, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between Feb 28, 2026 and Feb 28, 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 San Andreas, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Mark Twain Medical Center lowest San Andreas, CA · (209) 754-3521 EIA QL HEPATITIS B AG | $17.21 | $25.83 | $10.33–$25.32 | 33% | Feb 28, 2026 source file |
| Mark Twain Medical Center San Andreas, CA · (209) 754-3521 IA HEP B SURFACE AG QL | $82.59 | $124.00 | $10.33–$121.52 | 33% | Feb 28, 2026 source file |
Outpatient: lowest $17.21, median $17.21, highest $17.21.
As an inpatient, the same code is billed by 1 facility here, median $17.21. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At the one hospital here that publishes insurer rates for this code, the cash price is below the highest rate a health plan has negotiated. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
What it is
The hepatitis B surface antigen test shows whether the hepatitis B virus is present in the blood now. The CDC recommends screening all adults at least once and every pregnant woman in each pregnancy.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.