Lab tests CPT 87804 Inpatient — admitted to hospital

Rapid flu test cost in Napa, CA — inpatient

In Napa, CA, 1 hospital lists a cash price for rapid flu test (influenza antigen) as an inpatient: from $193.80 to $193.80, with a median of $193.80. Across California, the median is $75.40 at 72 hospitals.

Cash prices at 1 facility for code 87804, 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.

Lowest$193.80Providence Queen of the Valley Medical Center
Median$193.80half pay less
Highest$193.80in 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 Napa, CA.

median
Lowest $193.80Highest $194.82

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Providence Queen of the Valley Medical Center lowest Napa, CA · (707) 252-4411 HC IAADIADOO INFLUENZA CDM $193.80 $380.00 — 49% Apr 1, 2026
source file
Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC INFLUENZA A SCREEN $194.82 $382.00 — 49% Apr 1, 2026
source file
Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC INFLUENZA B SCREEN $194.82 $382.00 — 49% Apr 1, 2026
source file

Inpatient: lowest $193.80, median $193.80, highest $193.80.

As an outpatient, the same code is billed by 1 facility here, median $91.80 — that is the price to compare if you are not being admitted.

What it is

A rapid flu test checks a nose or throat swab for influenza within minutes. The code is billed once for each flu type tested, so a test for A and B may be billed twice.

What the price covers

The price usually covers the swab and the test for one flu type; tests for A and B may be billed twice.