H. pylori stool test cost in Longview, WA
In Longview-Kelso, WA, 1 hospital lists a cash price for H. pylori stool antigen test: from $235.30 to $235.30, with a median of $235.30. Across Washington, the median is $143.75 at 31 hospitals.
Cash prices at 1 facility for code 87338, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Longview-Kelso, WA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| St. John Medical Center lowest Longview, WA · (360) 414-2000 DETECTION TEST BY IMMUNOASSAY TECHNIQUE FOR HELICOBACTER PYLORI (GI TRACT BACTERIA) IN STOOL | $235.30 | $362.00 | $5.75–$102.33 | 35% | — source file |
| St. John Medical Center Longview, WA · (360) 414-2000 HPYLORI STOOL AG IA | $242.45 | $373.00 | $5.75–$102.33 | 35% | — source file |
Outpatient: lowest $235.30, median $235.30, highest $235.30.
Cash or insurance?
At the one hospital here that publishes insurer rates for this code, the cash price is not below the highest rate a health plan has negotiated. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
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.