Hepatitis B immunity test cost in California

In California, 190 hospitals publish a cash price for hepatitis B surface antibody (anti-HBs) test, immunity check: from $5.95 to $298.71, with a median of $42.35. The lowest price is at St Elizabeth Community Hospital (Red Bluff). The highest price is 50.2× the lowest.

• The median here, $42.35, is 34% below the US median of $63.84.
• That is 3.9× Medicare's 2026 national rate for the same service ($10.74).
• California ranks 6th of 50 states by median, cheapest first.
• 56 of 190 hospitals list a cash price equal to their full list price, with no self-pay discount.

California law (Health and Safety Code §127405): if you are uninsured or have high medical costs and your family income is at or below 400% of the federal poverty level, a hospital may not expect you to pay more than it would expect from Medicare or Medi-Cal, whichever is greater. That can be less than the cash prices below; ask the hospital for its discount payment policy. A separate physician fee may still apply. Other states' laws.

Outpatient cash prices, one line per hospital — its lowest listed price for code 86706. Prices for both sides of the body and inpatient prices are not mixed in. Collected Nov 7, 2026. See them on a map