Thyroid-stimulating hormone (TSH) blood test in Seattle-Tacoma-Bellevue, WA
In Seattle-Tacoma-Bellevue, WA, 14 hospitals list a cash price for Thyroid-stimulating hormone (TSH) blood test: from $12.24 to $136.00, with a median of $120.00. The lowest listed price is at Overlake Medical Center & Clinics.
Cash prices at 14 facilities across 13 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 Feb 28, 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 Seattle-Tacoma-Bellevue, WA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Overlake Medical Center & Clinics lowest Bellevue, WA Hc Tsh-Lc | $12.24 | $24.48 | 50% | Apr 1, 2026 source file |
| Overlake Medical Center & Clinics Bellevue, WA Hc Thyroid Stimulating Hormone Reflex-Lc | $13.25 | $26.50 | 50% | Apr 1, 2026 source file |
| Saint Clare Hospital Lakewood, WA HC THYROID STIMULATING HORMONE | $69.32 | $240.49 | 71% | Feb 28, 2026 source file |
| Virginia Mason Medical Center Seattle, WA THYROID STIM HORMONE TSH | $70.38 | $138.00 | 49% | — source file |
| Franciscan Health System Gig Harbor, WA HC THYROID STIMULATING HORMONE | $73.15 | $240.49 | 70% | Feb 28, 2026 source file |
| Highline Medical Center Burien, WA HC THYROID STIMULATING HORMONE | $73.44 | $240.49 | 69% | Feb 28, 2026 source file |
| Overlake Medical Center & Clinics Bellevue, WA Hc Assay Thyroid Stim Hormone | $73.50 | $147.00 | 50% | Apr 1, 2026 source file |
| St Francis Community Hospital Federal Way, WA HC THYROID STIMULATING HORMONE | $75.48 | $240.49 | 69% | Feb 28, 2026 source file |
| Franciscan Health System Tacoma, WA HC THYROID STIMULATING HORMONE | $79.65 | $240.49 | 67% | Feb 28, 2026 source file |
| Enumclaw Regional Hospital Association Enumclaw, WA HC THYROID STIMULATING HORMONE | $84.99 | $240.49 | 65% | Feb 28, 2026 source file |
| Swedish Health Services Seattle, WA HC TSH REFLEX TO FT4 | $120.00 | $250.00 | 52% | Apr 1, 2026 source file |
| Swedish Edmonds Edmonds, WA HC TSH REFLEX TO FT4 | $120.00 | $250.00 | 52% | Apr 1, 2026 source file |
| Swedish Health Services Seattle, WA HC TSH REFLEX TO FT4 | $120.00 | $250.00 | 52% | Apr 1, 2026 source file |
| Swedish Health Services Issaquah, WA HC TSH REFLEX TO FT4 | $120.00 | $250.00 | 52% | Apr 1, 2026 source file |
| Swedish Health Services Seattle, WA HC TSH | $121.92 | $254.00 | 52% | Apr 1, 2026 source file |
| Swedish Health Services Seattle, WA HC ASSAY OF THYROID STIMULATING HORMONE TSH LAB | $121.92 | $254.00 | 52% | Apr 1, 2026 source file |
| Swedish Health Services Issaquah, WA HC TSH | $121.92 | $254.00 | 52% | Apr 1, 2026 source file |
| Swedish Health Services Seattle, WA HC ASSAY OF THYROID STIMULATING HORMONE TSH LAB | $121.92 | $254.00 | 52% | Apr 1, 2026 source file |
| Swedish Health Services Seattle, WA HC TSH | $121.92 | $254.00 | 52% | Apr 1, 2026 source file |
| Swedish Edmonds Edmonds, WA HC ASSAY OF THYROID STIMULATING HORMONE TSH LAB | $121.92 | $254.00 | 52% | Apr 1, 2026 source file |
| Swedish Edmonds Edmonds, WA HC TSH | $121.92 | $254.00 | 52% | Apr 1, 2026 source file |
| Swedish Health Services Issaquah, WA HC ASSAY OF THYROID STIMULATING HORMONE TSH LAB | $121.92 | $254.00 | 52% | Apr 1, 2026 source file |
| Kaiser Permanente Central Hospital E Seattle, WA THYROID STIMULATING HORMONE (TSH) | $124.80 | $156.00 | 20% | Apr 1, 2026 source file |
| Providence Health And Services - Washington Everett, WA HC TSH REFLEX TO FT4 | $130.00 | $250.00 | 48% | Apr 1, 2026 source file |
| Providence Health And Services - Washington Everett, WA HC TSH | $132.08 | $254.00 | 48% | Apr 1, 2026 source file |
| Providence Health And Services - Washington Everett, WA HC ASSAY OF THYROID STIMULATING HORMONE TSH LAB | $132.08 | $254.00 | 48% | Apr 1, 2026 source file |
| Public Hospital Dist No 1 Skagit dba Cascade Valley Hospital Arlington, WA HC TSH | $136.00 | $170.00 | 20% | — source file |
Outpatient: lowest $12.24, median $120.00, highest $136.00 — a 11.1× difference within the same market.
As an inpatient, the same code is billed by 14 facilities here, median $120.00. 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.