Vaccines CPT 90636 Inpatient — admitted to hospital

Hepatitis A and B vaccine (Twinrix) cost in Washington, DC — inpatient

In Washington-Arlington-Alexandria, DC-VA-MD-WV, 2 hospitals list a cash price for hepatitis A and B combination vaccine, adult (Twinrix) as an inpatient: from $256.00 to $280.77, with a median of $268.39. The lowest listed price is at National Rehabilitation Hospital — $12.39 less than the median here. Across District of Columbia, the median is $268.39 at 2 hospitals.

Cash prices at 2 facilities across 2 cities for code 90636, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$256.00National Rehabilitation Hospital
Median$268.39half pay less
Highest$280.77in this market
Difference1.1×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Washington-Arlington-Alexandria, DC-VA-MD-WV.

median
Lowest $256.00Highest $280.77

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
National Rehabilitation Hospital lowest Washington, DC TWINRIX 20 MCG 720UNIT ML EA $256.00 $393.84 $192.98–$334.76 35% Apr 1, 2026
source file
MedStar Georgetown Hospital Northwest Washington, DC · (202) 784-3000 TWINRIX 20 MCG 720UNIT ML EA $280.77 $431.95 $151.18–$388.76 35% Apr 1, 2026
source file

Inpatient: lowest $256.00, median $268.39, highest $280.77 — a 1.1× difference within the same market.

As an outpatient, the same code is billed by 3 facilities here, median $256.00 — that is the price to compare if you are not being admitted.

Cash or insurance?

At 2 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. 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.