Vaccines CPT 90656 Inpatient — admitted to hospital

Flu shot cost in San Diego, CA — inpatient

In San Diego-Chula Vista-Carlsbad, CA, 3 hospitals list a cash price for flu shot, standard dose, preservative-free, for age 6 months and older as an inpatient: from $27.04 to $27.04, with a median of $27.04. The lowest listed price is at Kaiser Foundation Hospital - San Marcos and 2 other hospitals. Across California, the median is $33.60 at 66 hospitals.

Cash prices at 3 facilities across 2 cities for code 90656, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Lowest$27.04Kaiser Foundation Hospital - San Marcos + 2 more
Median$27.04half pay less
Highest$27.04in 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 Diego-Chula Vista-Carlsbad, CA.

median
Lowest $27.04Highest $48.59

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Kaiser Foundation Hospital - San Marcos lowest San Marcos, CA · (760) 528-6295 IIV3 VACC PRESERVATIVE FREE 0.5 ML DOSAGE IM USE $27.04 $52.00 — 48% —
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Kaiser Foundation Hospital - San Diego - Clairemont Mesa lowest San Diego, CA IIV3 VACC PRESERVATIVE FREE 0.5 ML DOSAGE IM USE $27.04 $52.00 — 48% —
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Kaiser Foundation Hospital - San Diego - Zion lowest San Diego, CA · (619) 528-5000 IIV3 VACC PRESERVATIVE FREE 0.5 ML DOSAGE IM USE $27.04 $52.00 — 48% —
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Kaiser Foundation Hospital - San Marcos San Marcos, CA · (760) 528-6295 flu vaccine TS 2025-26 (6 mos up) PF 45 mcg (15 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE $45.31 $87.13 — 48% —
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Kaiser Foundation Hospital - San Diego - Clairemont Mesa San Diego, CA flu vaccine TS 2025-26 (6 mos up) PF 45 mcg (15 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE $45.31 $87.13 — 48% —
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Kaiser Foundation Hospital - San Diego - Zion San Diego, CA · (619) 528-5000 flu vaccine TS 2025-26 (6 mos up) PF 45 mcg (15 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE $45.31 $87.13 — 48% —
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Kaiser Foundation Hospital - San Diego - Clairemont Mesa San Diego, CA flu vaccine TS 2025-26 (36 mos up) PF 45 mcg (15 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE $48.59 $93.45 — 48% —
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Kaiser Foundation Hospital - San Diego - Zion San Diego, CA · (619) 528-5000 flu vaccine TS 2025-26 (36 mos up) PF 45 mcg (15 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE $48.59 $93.45 — 48% —
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Kaiser Foundation Hospital - San Marcos San Marcos, CA · (760) 528-6295 flu vaccine TS 2025-26 (36 mos up) PF 45 mcg (15 mcg x 3)/0.5 mL Syringe 0.5 mL SYRINGE $48.59 $93.45 — 48% —
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Inpatient: lowest $27.04, median $27.04, highest $27.04.

As an outpatient, the same code is billed by 4 facilities here, median $27.04 — 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.