Syphilis test (treponemal) cost in Napa, CA
In Napa, CA, 1 hospital lists a cash price for syphilis antibody test (Treponema pallidum): from $21.42 to $21.42, with a median of $21.42. Across California, the median is $22.58 at 186 hospitals.
Cash prices at 1 facility for code 86780, 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 TREPONEMA PALLIDUM - AB File of Apr 1, 2026 · source file | $21.42 | $42.00 | — | 49% |
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC ANTIBODY TREPONEMA PALLIDUM CDM File of Apr 1, 2026 · source file | $43.86 | $86.00 | — | 49% |
Outpatient: lowest $21.42, median $21.42, highest $21.42.
As an inpatient, the same code is billed by 1 facility here, median $43.86. 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
A treponemal antibody test detects antibodies to the bacterium that causes syphilis. Many labs now screen with it first and confirm with an RPR (86592).
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.
2 rows held back from this comparison
They are priced below $1 or below a tenth of the national median for code 86780 ($49.78). 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 TREPONEMA PALLIDUM - AB | $4.26 | file |
| Providence Queen of the Valley Medical Center Napa, CAHC ANTIBODY TREPONEMA PALLIDUM LAB | $4.97 | file |