Thyroid-stimulating hormone (TSH) blood test in Vallejo, CA
In Vallejo, CA, 3 hospitals list a cash price for Thyroid-stimulating hormone (TSH) blood test: from $54.00 to $284.00, with a median of $206.06. The lowest listed price is at Northbay Medical Center.
Cash prices at 3 facilities across 3 cities for code 84443, 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 Vallejo, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Northbay Medical Center lowest Fairfield, CA Thyroid Stimulating Hormone | $54.00 | $54.00 | — | Apr 1, 2026 source file |
| Northbay Medical Center Fairfield, CA Thyroid Stimulating Hormone | $54.00 | $54.00 | — | Apr 1, 2026 source file |
| Kaiser Foundation Hospital - Vacaville Vacaville, CA ASSAY OF THYROID STIMULATING HORMONE TSH | $155.12 | $277.00 | 44% | — source file |
| Kaiser Foundation Hospital & Rehab Center - Vallejo Vallejo, CA ASSAY OF THYROID STIMULATING HORMONE TSH | $155.12 | $277.00 | 44% | — source file |
| Northbay Medical Center Fairfield, CA Tsh, Third Generation | $257.00 | $257.00 | — | Apr 1, 2026 source file |
| Northbay Medical Center Fairfield, CA Tsh, Third Generation | $257.00 | $257.00 | — | Apr 1, 2026 source file |
| Northbay Medical Center Fairfield, CA Thyr/Stim/Hormone | $284.00 | $284.00 | — | Apr 1, 2026 source file |
| Northbay Medical Center Fairfield, CA Thyr/Stim/Hormone | $284.00 | $284.00 | — | Apr 1, 2026 source file |
Outpatient: lowest $54.00, median $206.06, highest $284.00 — a 5.3× difference within the same market.
As an inpatient, the same code is billed by 3 facilities here, median $206.06. 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 TSH test measures thyroid-stimulating hormone in the blood. It is the most common first test for an underactive or overactive thyroid and is used to monitor thyroid medicine doses.
What the price covers
The price usually covers running the TSH test only. The blood draw and any follow-up thyroid tests, such as free T4, are billed separately.