RSV antibody shot (100 mg dose) cost in Vallejo, CA
In Vallejo, CA, 3 hospitals list a cash price for RSV antibody shot for infants and toddlers, larger dose (1 mL, 100 mg): from $365.68 to $887.14, with a median of $365.68. The lowest listed price is at Kaiser Foundation Hospital & Rehab Center - Vallejo and 1 other hospital. Across California, the median is $923.23 at 69 hospitals.
Cash prices at 3 facilities across 3 cities for code 90381, 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 Vallejo, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Kaiser Foundation Hospital & Rehab Center - Vallejo lowest Vallejo, CA · (707) 651-1000 RSV MONOCLONAL ANTB SEASONAL DOSE 1 ML IM USE | $365.68 | $653.00 | — | 44% | — source file |
| Kaiser Foundation Hospital - Vacaville lowest Vacaville, CA · (707) 624-4000 RSV MONOCLONAL ANTB SEASONAL DOSE 1 ML IM USE | $365.68 | $653.00 | — | 44% | — source file |
| NorthBay Medical Center Fairfield, CA · (707) 646-5000 *Beyfortus 100Mg/1Ml | $887.14 | $887.14 | — | — | Apr 1, 2026 source file |
| Kaiser Foundation Hospital & Rehab Center - Vallejo Vallejo, CA · (707) 651-1000 nirsevimab-alip 100 mg/mL Syringe 1 mL SYRINGE | $1,042.49 | $1,861.59 | — | 44% | — source file |
| Kaiser Foundation Hospital - Vacaville Vacaville, CA · (707) 624-4000 nirsevimab-alip 100 mg/mL Syringe 1 mL SYRINGE | $1,042.49 | $1,861.59 | — | 44% | — source file |
| NorthBay Medical Center Fairfield, CA · (707) 646-5000 *Beyfortus 200Mg/2Ml | $1,774.28 | $1,774.28 | — | — | Apr 1, 2026 source file |
| NorthBay Medical Center Fairfield, CA · (707) 646-5000 Nirsevmab Alp Rsv Mnclnl 1Ml | $8,502.65 | $8,502.65 | — | — | Apr 1, 2026 source file |
Outpatient: lowest $365.68, median $365.68, highest $887.14 — a 2.4× difference within the same market.
As an inpatient, the same code is billed by 3 facilities here, median $365.68. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
What it is
This is the larger dose (100 mg) of nirsevimab (Beyfortus), an antibody shot that protects infants from severe RSV. Babies weighing 5 kg (11 lb) or more in their first RSV season get this dose, and high-risk toddlers get two of them in their second season.
What the price covers
The price is for the vaccine dose. Giving the shot is usually a separate line (code 90471 for the first vaccine of the visit, 90472 for each additional one).