H. pylori stool test cost in Walla Walla, WA — inpatient
In Walla Walla, WA, 1 hospital lists a cash price for H. pylori stool antigen test as an inpatient: from $62.30 to $62.30, with a median of $62.30. Across Washington, the median is $143.75 at 31 hospitals.
Cash prices at 1 facility for code 87338, 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.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Providence St Mary Medical Center Walla Walla, WA · (509) 522-5900 HC IAAD IA HPYLORI STOOL CDM | $62.30 | $89.00 | — | 30% | Apr 1, 2026 source file |
Inpatient: lowest $62.30, median $62.30, highest $62.30.
As an outpatient, the same code is billed by 1 facility here, median $62.30 — that is the price to compare if you are not being admitted.
What it is
This stool test finds H. pylori, the stomach bacteria behind most ulcers. It shows an active infection and is used both to diagnose it and to confirm a cure.
What the price covers
The price usually covers running the stool test; the collection kit is often included.