Alkaline phosphatase test cost in Walla Walla, WA
In Walla Walla, WA, 1 hospital lists a cash price for alkaline phosphatase (ALP) blood test: from $25.20 to $25.20, with a median of $25.20. Across Washington, the median is $37.92 at 58 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 Walla Walla, WA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Providence St Mary Medical Center lowest Walla Walla, WA · (509) 522-5900 HC ALKALINE PHOS | $25.20 | $36.00 | — | 30% | Apr 1, 2026 source file |
| Providence St Mary Medical Center lowest Walla Walla, WA · (509) 522-5900 HC ASSAY OF PHOSPHATASE ALKALINE LAB | $25.20 | $36.00 | — | 30% | Apr 1, 2026 source file |
Outpatient: lowest $25.20, median $25.20, highest $25.20.
As an inpatient, the same code is billed by 1 facility here, median $25.20. 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.