Vaccines CPT 90636 Outpatient

Hepatitis A and B vaccine (Twinrix) cost in San Antonio, TX

In San Antonio-New Braunfels, TX, 1 hospital lists a cash price for hepatitis A and B combination vaccine, adult (Twinrix): from $20.35 to $20.35, with a median of $20.35. Across Texas, the median is $640.71 at 19 hospitals.

Cash prices at 1 facility for code 90636, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between Jul 29, 2026 and Jul 29, 2026.

Lowest$20.35Medina Regional Hospital
Median$20.35half pay less
Highest$20.35in this market
Difference1.0×highest vs lowest

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Medina Regional Hospital Hondo, TX · (830) 426-7700 HEPATITIS A/B VACCINE $20.35 $22.61 $5.43–$409.33 10% Jul 29, 2026
source file

Outpatient: lowest $20.35, median $20.35, highest $20.35.

As an inpatient, the same code is billed by 1 facility here, median $20.35. 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.

1 row held back from this comparison

It is priced below $1 or below a tenth of the national median for code 90636 ($191.75). 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.

University Health System San Antonio, TXHC PBB HEPA/HEPB VACCINE ADULT IM $16.50 file