RSV antibody shot (100 mg dose) cost in Modesto, CA — inpatient
In Modesto, CA, 1 hospital lists a cash price for RSV antibody shot for infants and toddlers, larger dose (1 mL, 100 mg) as an inpatient: from $365.68 to $365.68, with a median of $365.68. Across California, the median is $923.23 at 69 hospitals.
Cash prices at 1 facility for code 90381, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Modesto, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Kaiser Foundation Hospital - Modesto lowest Modesto, CA RSV MONOCLONAL ANTB SEASONAL DOSE 1 ML IM USE | $365.68 | $653.00 | — | 44% | — source file |
| Kaiser Foundation Hospital - Modesto Modesto, CA nirsevimab-alip 100 mg/mL Syringe 1 mL SYRINGE | $1,042.49 | $1,861.59 | — | 44% | — source file |
Inpatient: lowest $365.68, median $365.68, highest $365.68.
As an outpatient, the same code is billed by 1 facility here, median $365.68 — that is the price to compare if you are not being admitted.
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).