Hepatitis A and B vaccine (Twinrix) cost in San Diego, CA
In San Diego-Chula Vista-Carlsbad, CA, 4 hospitals list a cash price for hepatitis A and B combination vaccine, adult (Twinrix): from $215.02 to $310.56, with a median of $215.02. The lowest listed price is at Kaiser Foundation Hospital - San Diego - Clairemont Mesa and 2 other hospitals. Across California, the median is $154.79 at 51 hospitals.
Cash prices at 4 facilities across 2 cities for code 90636, as an outpatient — the setting a self-pay patient normally buys. 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 San Diego-Chula Vista-Carlsbad, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Kaiser Foundation Hospital - San Diego - Clairemont Mesa lowest San Diego, CA hepatitis A-hepatitis B vaccine (PF) 720 ELISA unit- 20 mcg/mL Syringe 1 mL SYRINGE | $215.02 | $413.50 | — | 48% | — source file |
| Kaiser Foundation Hospital - San Marcos lowest San Marcos, CA · (760) 528-6295 hepatitis A-hepatitis B vaccine (PF) 720 ELISA unit- 20 mcg/mL Syringe 1 mL SYRINGE | $215.02 | $413.50 | — | 48% | — source file |
| Kaiser Foundation Hospital - San Diego - Zion lowest San Diego, CA · (619) 528-5000 hepatitis A-hepatitis B vaccine (PF) 720 ELISA unit- 20 mcg/mL Syringe 1 mL SYRINGE | $215.02 | $413.50 | — | 48% | — source file |
| UC San Diego Medical Center San Diego, CA · (619) 543-6222 Vaccine Hepatitis a and Hepatitis B Adult Dosage | $310.56 | $564.66 | $67.76–$762.29 | 45% | Apr 1, 2026 source file |
| UC San Diego Medical Center San Diego, CA · (619) 543-6222 HEPATITIS A-HEP B RECOMB VAC 720-20 ELU-MCG/ML IM WRAPPED RECORD | $333.69 | $606.71 | $72.81–$819.06 | 45% | Apr 1, 2026 source file |
Outpatient: lowest $215.02, median $215.02, highest $310.56 — a 1.4× difference within the same market.
As an inpatient, the same code is billed by 3 facilities here, median $215.02. 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
Twinrix combines the hepatitis A and hepatitis B vaccines in one shot for adults. The usual schedule is three doses at 0, 1 and 6 months, with a faster schedule for travelers.
What the price covers
The price is for one dose. , and the series takes three doses.