Aldosterone test cost in Napa, CA
In Napa, CA, 1 hospital lists a cash price for aldosterone blood test: from $40.47 to $40.47, with a median of $40.47. Across California, the median is $40.00 at 122 hospitals.
Cash prices at 1 facility for code 82088, as an outpatient — the setting a self-pay patient normally buys. 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 Napa, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Providence Queen of the Valley Medical Center lowest Napa, CA · (707) 252-4411 HC ASSAY OF ALDOSTERONE PLASMA LAB File of Apr 1, 2026 · source file | $40.47 | $79.35 | — | 49% |
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC ALDOSTERONE BLD File of Apr 1, 2026 · source file | $54.62 | $107.10 | — | 49% |
Outpatient: lowest $40.47, median $40.47, highest $40.47.
As an inpatient, the same code is billed by 1 facility here, median $40.47. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
What it is
An aldosterone test measures an adrenal hormone that controls salt and blood pressure. It is ordered with renin for high blood pressure that is hard to control or low potassium.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.
1 row held back from this comparison
It is priced below $1 or below a tenth of the national median for code 82088 ($119.60). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| Hospital | Cash price | File |
|---|---|---|
| Providence Queen of the Valley Medical Center Napa, CAHC ASSAY OF ALDOSTERONE CDM | $10.20 | file |