Flu shot cost in Boulder, CO — inpatient
In Boulder, CO, 1 hospital lists a cash price for flu shot, standard dose, preservative-free, for age 6 months and older as an inpatient: from $399.95 to $399.95, with a median of $399.95. Across Colorado, the median is $399.95 at 9 hospitals.
Cash prices at 1 facility for code 90656, as an inpatient (admitted to hospital) . 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 Boulder, CO.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| AdventHealth Avista lowest Louisville, CO · (303) 673-1000 FLUARIX 0.5 ML IM SUSY | $399.95 | $399.95 | — | — | Apr 1, 2026 source file |
| AdventHealth Avista Louisville, CO · (303) 673-1000 AFLURIA PRESERVATIVE FREE 0.5 ML IM SUSY | $415.00 | $415.00 | — | — | Apr 1, 2026 source file |
| AdventHealth Avista Louisville, CO · (303) 673-1000 FLUZONE 0.5 ML IM SUSY | $529.15 | $529.15 | — | — | Apr 1, 2026 source file |
Inpatient: lowest $399.95, median $399.95, highest $399.95.
As an outpatient, the same code is billed by 1 facility here, median $399.95 — that is the price to compare if you are not being admitted.
What it is
A standard-dose flu shot protects against the influenza strains expected in the coming season, and the formula changes every year. This code is the preservative-free version given to most people.
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); Medicare bills use G0008 instead.