Alkaline phosphatase test cost in Napa, CA
In Napa, CA, 1 hospital lists a cash price for alkaline phosphatase (ALP) blood test: from $8.93 to $8.93, with a median of $8.93. Across California, the median is $36.96 at 211 hospitals.
Cash prices at 1 facility for code 84075, 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 | File date |
|---|---|---|---|---|---|
| Providence Queen of the Valley Medical Center lowest Napa, CA · (707) 252-4411 HC ALKALINE PHOS | $8.93 | $17.50 | — | 49% | Apr 1, 2026 source file |
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC ASSAY OF PHOSPHATASE ALKALINE LAB | $18.47 | $36.22 | — | 49% | Apr 1, 2026 source file |
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC ALKALINE PHOS | $46.41 | $91.00 | — | 49% | Apr 1, 2026 source file |
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC ASSAY OF PHOSPHATASE ALKALINE LAB | $46.41 | $91.00 | — | 49% | Apr 1, 2026 source file |
Outpatient: lowest $8.93, median $8.93, highest $8.93.
As an inpatient, the same code is billed by 1 facility here, median $8.93. 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 alkaline phosphatase test measures an enzyme from the liver, bile ducts and bones. High levels suggest a blocked bile duct, liver disease or bone disease.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.