Free T3 test cost in Washington
In Washington, 32 hospitals publish a cash price for free T3 thyroid hormone test: from $11.82 to $254.40, with a median of $84.75. The lowest price is at Overlake Medical Center & Clinics (Bellevue). The highest price is 21.5× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 84481. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.
Hospitals in Washington, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Overlake Medical Center & Clinics lowest Bellevue · Seattle-Tacoma-Bellevue, WA Hc T3, Free | $11.82 | $23.64 | Apr 1, 2026 source file |
| Legacy Salmon Creek Medical Center Vancouver · Portland-Vancouver-Hillsboro, OR-WA CHG ASSAY OF TRIIODOTHYRONINE T3 FREE | $11.98 | $18.43 | Apr 1, 2026 source file |
| Providence St Mary Medical Center Walla Walla · Walla Walla, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE LAB | $19.60 | $28.00 | Apr 1, 2026 source file |
| Providence Holy Family Hospital Spokane · Spokane-Spokane Valley, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE LAB | $42.70 | $61.00 | Apr 1, 2026 source file |
| Swedish Edmonds Edmonds · Seattle-Tacoma-Bellevue, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE LAB | $52.32 | $109.00 | Apr 1, 2026 source file |
| Swedish Issaquah Issaquah · Seattle-Tacoma-Bellevue, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE LAB | $52.32 | $109.00 | Apr 1, 2026 source file |
| Swedish Medical Center / Cherry Hill Seattle · Seattle-Tacoma-Bellevue, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE LAB | $52.32 | $109.00 | Apr 1, 2026 source file |
| Virginia Mason Medical Center Seattle · Seattle-Tacoma-Bellevue, WA FREE T3 | $55.08 | $108.00 | — source file |
| Providence Regional Medical Center Everett Everett · Seattle-Tacoma-Bellevue, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE LAB | $56.68 | $109.00 | Apr 1, 2026 source file |
| Saint Clare Hospital Lakewood · Seattle-Tacoma-Bellevue, WA HC FREE T3 REFLEX | $69.32 | $240.49 | Feb 28, 2026 source file |
| Central Washington Health Services Association Wenatchee · Wenatchee-East Wenatchee, WA HC Free Assay (Ft-3) | $72.00 | $80.00 | — source file |
| St Anthony Hospital Gig Harbor · Seattle-Tacoma-Bellevue, WA HC FREE T3 REFLEX | $73.15 | $240.49 | Feb 28, 2026 source file |
| Highline Medical Center Burien · Seattle-Tacoma-Bellevue, WA HC FREE T3 REFLEX | $73.44 | $240.49 | Feb 28, 2026 source file |
| St Francis Community Hospital Federal Way · Seattle-Tacoma-Bellevue, WA HC FREE T3 REFLEX | $75.48 | $240.49 | Feb 28, 2026 source file |
| St Joseph Medical Center Tacoma · Seattle-Tacoma-Bellevue, WA HC FREE T3 REFLEX | $79.65 | $240.49 | Feb 28, 2026 source file |
| PeaceHealth Peace Island Medical Center Friday Harbor · Friday Harbor, WA THYROID HORMONE; T3 MEASUREMENT; FREE | $84.50 | $130.00 | — source file |
| Enumclaw Regional Hospital Association Enumclaw · Seattle-Tacoma-Bellevue, WA HC FREE T3 REFLEX | $84.99 | $240.49 | Feb 28, 2026 source file |
| Jefferson Healthcare Port Townsend · Port Townsend, WA Thyroid hormone, T3 measurement, free | $87.20 | $109.00 | Aug 6, 2026 source file |
| Kadlec Regional Medical Center Richland · Kennewick-Richland, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE LAB | $95.90 | $137.00 | Apr 1, 2026 source file |
| Harrison Medical Center Silverdale · Bremerton-Silverdale-Port Orchard, WA HC FREE T3 REFLEX | $106.14 | $240.49 | Feb 28, 2026 source file |
| Kaiser Permanente Central Hospital E Seattle · Seattle-Tacoma-Bellevue, WA TRIDOTHYRONINE FREE | $111.20 | $139.00 | Apr 1, 2026 source file |
| PeaceHealth United General Medical Center Sedro Woolley · Mount Vernon-Anacortes, WA THYROID HORMONE; T3 MEASUREMENT; FREE | $113.10 | $174.00 | — source file |
| St. John Medical Center Longview · Longview-Kelso, WA THYROID HORMONE; T3 MEASUREMENT; FREE | $123.50 | $190.00 | — source file |
| Shriners Childrens - Spokane Spokane · Spokane-Spokane Valley, WA THYROID HORMONE; T3 MEASUREMENT; FREE | $136.50 | $136.50 | — source file |
| PeaceHealth Southwest Medical Center Vancouver · Portland-Vancouver-Hillsboro, OR-WA THYROID HORMONE; T3 MEASUREMENT; FREE | $143.00 | $220.00 | — source file |
| St. Joseph Medical Center Bellingham · Bellingham, WA THYROID HORMONE; T3 MEASUREMENT; FREE | $143.00 | $220.00 | — source file |
| Cascade Valley Hospital Arlington · Seattle-Tacoma-Bellevue, WA HC FREE T3 | $152.00 | $190.00 | — source file |
| Providence Mount Carmel Hospital Colville · Spokane-Spokane Valley, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE CDM | $186.90 | $267.00 | Apr 1, 2026 source file |
| Providence Centralia Hospital Centralia · Centralia, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE CDM | $212.16 | $408.00 | Apr 1, 2026 source file |
| Providence St Peter Hospital Olympia · Olympia-Lacey-Tumwater, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE CDM | $212.16 | $408.00 | Apr 1, 2026 source file |
| Providence St Joseph Hospital Chewelah · Spokane-Spokane Valley, WA HC ASSAY OF TRIIODOTHYRONINE T3 FREE CDM | $243.60 | $348.00 | Apr 1, 2026 source file |
| Skagit Valley Hospital Mount Vernon · Mount Vernon-Anacortes, WA HC FREE T3 | $254.40 | $318.00 | — source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Seattle-Tacoma-Bellevue, WA | 14 | $11.82 | $71.24 |
| Spokane-Spokane Valley, WA | 4 | $42.70 | $161.70 |
| Mount Vernon-Anacortes, WA | 2 | $113.10 | $183.75 |
| Portland-Vancouver-Hillsboro, OR-WA | 2 | $11.98 | $77.49 |
| Bellingham, WA | 1 | $143.00 | $143.00 |
| Bremerton-Silverdale-Port Orchard, WA | 1 | $106.14 | $106.14 |
| Centralia, WA | 1 | $212.16 | $212.16 |
| Friday Harbor, WA | 1 | $84.50 | $84.50 |
| Kennewick-Richland, WA | 1 | $95.90 | $95.90 |
| Longview-Kelso, WA | 1 | $123.50 | $123.50 |
| Olympia-Lacey-Tumwater, WA | 1 | $212.16 | $212.16 |
| Port Townsend, WA | 1 | $87.20 | $87.20 |
| Walla Walla, WA | 1 | $19.60 | $19.60 |
| Wenatchee-East Wenatchee, WA | 1 | $72.00 | $72.00 |
What it is
Free T3 is the active thyroid hormone not bound to proteins. It is usually checked after TSH (84443) and free T4 (84439), mainly when an overactive thyroid is suspected.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.
Free T3 thyroid hormone test in other states
- Alabama$268.63
- Alaska$117.30
- Arizona$21.42
- Arkansas$63.70
- California$63.50
- Colorado$103.04
- Connecticut$58.30
- Delaware$258.95
- Florida$43.38
- Georgia$239.07
- Hawaii$103.80
- Idaho$11.84
- Illinois$82.50
- Indiana$142.97
- Iowa$89.23
- Kansas$141.23
- Kentucky$212.10
- Louisiana$35.10
- Maine$68.74
- Maryland$41.17
- Massachusetts$79.95
- Michigan$68.00
- Minnesota$67.90
- Mississippi$89.24
- Missouri$117.00
- Montana$88.00
- Nebraska$92.50
- Nevada$26.03
- New Hampshire$127.97
- New Jersey$19.48
- New Mexico$111.20
- New York$78.54
- North Carolina$85.05
- North Dakota$58.81
- Ohio$65.25
- Oklahoma$89.82
- Oregon$66.78
- Pennsylvania$100.40
- Rhode Island$95.00
- South Carolina$117.65
- South Dakota$120.40
- Tennessee$51.70
- Texas$139.50
- Utah$99.77
- Vermont$153.00
- Virginia$103.00
- West Virginia$81.24
- Wisconsin$95.00
- Wyoming$35.91
Median cash price across the state's hospitals.