Flu shot, recombinant (Flublok) cost in San Francisco, CA — inpatient
In San Francisco-Oakland-Fremont, CA, 10 hospitals list a cash price for flu shot, recombinant, egg-free (Flublok) as an inpatient: from $44.24 to $44.24, with a median of $44.24. The lowest listed price is at Kaiser Foundation Hospital - Fremont and 9 other hospitals. Across California, the median is $92.32 at 53 hospitals.
Cash prices at 10 facilities across 10 cities for code 90673, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.
Lowest$44.24Kaiser Foundation Hospital - Fremont + 9 more
Median$44.24half of hospitals charge less
Highest$44.24in this market
Difference1.0×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 San Francisco-Oakland-Fremont, CA.
median
Lowest $44.24Highest $152.15
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Kaiser Foundation Hospital - Fremont lowest Fremont, CA · (510) 784-4000 RIV3 VACCINE PRESERVATIVE FREE FOR IM USE source file | $44.24 | $79.00 | — | 44% |
| Kaiser Foundation Hospital - Oakland/Richmond lowest Oakland, CA · (510) 752-1000 RIV3 VACCINE PRESERVATIVE FREE FOR IM USE source file | $44.24 | $79.00 | — | 44% |
| Kaiser Fnd Hospital - Richmond Campus lowest Richmond, CA · (510) 752-1000 RIV3 VACCINE PRESERVATIVE FREE FOR IM USE source file | $44.24 | $79.00 | — | 44% |
| Kaiser Foundation Hospital - San Rafael lowest San Rafael, CA · (415) 444-2000 RIV3 VACCINE PRESERVATIVE FREE FOR IM USE source file | $44.24 | $79.00 | — | 44% |
| Kaiser Foundation Hospital - San Leandro lowest San Leandro, CA · (510) 454-1000 RIV3 VACCINE PRESERVATIVE FREE FOR IM USE source file | $44.24 | $79.00 | — | 44% |
| Kaiser Foundation Hospital - Walnut Creek lowest Walnut Creek, CA · (925) 295-4000 RIV3 VACCINE PRESERVATIVE FREE FOR IM USE source file | $44.24 | $79.00 | — | 44% |
| Kaiser Foundation Hospital - Antioch lowest Antioch, CA · (925) 813-6500 RIV3 VACCINE PRESERVATIVE FREE FOR IM USE source file | $44.24 | $79.00 | — | 44% |
| Kaiser Foundation Hospital - San Francisco lowest San Francisco, CA · (415) 833-2646 RIV3 VACCINE PRESERVATIVE FREE FOR IM USE source file | $44.24 | $79.00 | — | 44% |
| Kaiser Foundation Hospital - South San Francisco lowest South San Francisco, CA · (650) 742-3200 RIV3 VACCINE PRESERVATIVE FREE FOR IM USE source file | $44.24 | $79.00 | — | 44% |
| Kaiser Foundation Hospital - Redwood City lowest Redwood City, CA · (650) 299-2000 RIV3 VACCINE PRESERVATIVE FREE FOR IM USE source file | $44.24 | $79.00 | — | 44% |
| Kaiser Foundation Hospital - San Francisco San Francisco, CA · (415) 833-2646 flu vaccine TV 2025-26 (9 yrs up) RCM (PF) 135 mcg (45 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE source file | $152.15 | $271.70 | — | 44% |
| Kaiser Foundation Hospital - Fremont Fremont, CA · (510) 784-4000 flu vaccine TV 2025-26 (9 yrs up) RCM (PF) 135 mcg (45 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE source file | $152.15 | $271.70 | — | 44% |
| Kaiser Foundation Hospital - Walnut Creek Walnut Creek, CA · (925) 295-4000 flu vaccine TV 2025-26 (9 yrs up) RCM (PF) 135 mcg (45 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE source file | $152.15 | $271.70 | — | 44% |
| Kaiser Foundation Hospital - Oakland/Richmond Oakland, CA · (510) 752-1000 flu vaccine TV 2025-26 (9 yrs up) RCM (PF) 135 mcg (45 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE source file | $152.15 | $271.70 | — | 44% |
| Kaiser Foundation Hospital - Redwood City Redwood City, CA · (650) 299-2000 flu vaccine TV 2025-26 (9 yrs up) RCM (PF) 135 mcg (45 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE source file | $152.15 | $271.70 | — | 44% |
| Kaiser Fnd Hospital - Richmond Campus Richmond, CA · (510) 752-1000 flu vaccine TV 2025-26 (9 yrs up) RCM (PF) 135 mcg (45 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE source file | $152.15 | $271.70 | — | 44% |
| Kaiser Foundation Hospital - Antioch Antioch, CA · (925) 813-6500 flu vaccine TV 2025-26 (9 yrs up) RCM (PF) 135 mcg (45 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE source file | $152.15 | $271.70 | — | 44% |
| Kaiser Foundation Hospital - San Rafael San Rafael, CA · (415) 444-2000 flu vaccine TV 2025-26 (9 yrs up) RCM (PF) 135 mcg (45 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE source file | $152.15 | $271.70 | — | 44% |
| Kaiser Foundation Hospital - South San Francisco South San Francisco, CA · (650) 742-3200 flu vaccine TV 2025-26 (9 yrs up) RCM (PF) 135 mcg (45 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE source file | $152.15 | $271.70 | — | 44% |
| Kaiser Foundation Hospital - San Leandro San Leandro, CA · (510) 454-1000 flu vaccine TV 2025-26 (9 yrs up) RCM (PF) 135 mcg (45 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE source file | $152.15 | $271.70 | — | 44% |
Hospital The hospital that published the price, its city and the line exactly as written in its price file.
Cash price The hospital's own price for a patient paying without insurance (“discounted cash” in its price file). Hospitals must publish it under federal law, 45 CFR 180.50. Call to confirm it before booking. More
List price The hospital's full chargemaster price (“gross charge”) before any discount. Almost nobody pays it; the gap to the cash price shows what the self-pay discount is worth. More
Insurers pay The lowest and highest rates this hospital has agreed with insurance plans for the same item, from its price file. If the cash price is below what your plan pays and you have not met your deductible, paying cash can cost you less. More
Off list How much lower the cash price is than the list price.
Inpatient: lowest $44.24, median $44.24, highest $44.24.
As an outpatient, the same code is billed by 11 facilities here, median $44.24 — that is the price to compare if you are not being admitted.
What it is
Flublok is a recombinant flu vaccine made without eggs. The CDC prefers it, the high-dose and the adjuvanted flu shots for people 65 and older.
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).