Free testosterone test cost in Napa, CA
In Napa, CA, 1 hospital lists a cash price for Free testosterone test: from $52.38 to $52.38, with a median of $52.38. Across California, the median is $43.12 at 81 hospitals.
Cash prices at 1 facility for code 84402, 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.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| St Joseph Health Northern California LLC Napa, CA HC ASSAY OF TESTOSTERONE FREE CDM | $52.38 | $102.71 | — | 49% | Apr 1, 2026 source file |
Outpatient: lowest $52.38, median $52.38, highest $52.38.
As an inpatient, the same code is billed by 1 facility here, median $52.38. 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
The free testosterone test measures testosterone not bound to proteins. It is used when total testosterone (84403) is borderline or protein levels are abnormal.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.
3 rows held back from this comparison
They are priced below $1 or below a tenth of the national median for code 84402 ($82.55). 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.
| St Joseph Health Northern California LLC Napa, CAHC TESTOSTERONE FREE | $3.32 | file |
| St Joseph Health Northern California LLC Napa, CAHC ASSAY OF TESTOSTERONE FREE | $6.63 | file |
| St Joseph Health Northern California LLC Napa, CAHC ASSAY OF TESTOSTERONE FREE LAB | $6.63 | file |