TPO antibody test cost in Washington
In Washington, 32 hospitals publish a cash price for thyroid peroxidase (TPO) antibody test: from $7.05 to $280.00, with a median of $77.36. The lowest price is at Overlake Medical Center & Clinics (Bellevue). The highest price is 39.7× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 86376. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.
Lowest$7.05Overlake Medical Center & Clinics
Median$77.36half pay less
Highest$280.00in Washington
Lowest saves$70.31vs the median
Hospitals in Washington, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Overlake Medical Center & Clinics lowest Bellevue · Seattle-Tacoma-Bellevue, WA Hc Microsomal Antibody Lab3309 | $7.05 | $14.10 | Apr 1, 2026 source file |
| Legacy Salmon Creek Medical Center Vancouver · Portland-Vancouver-Hillsboro, OR-WA CHG MICROSOMAL ANTIBODIES EACH | $10.28 | $15.82 | Apr 1, 2026 source file |
| Providence St Mary Medical Center Walla Walla · Walla Walla, WA HC MICROSOMAL ANTIBODIES EACH CDM | $23.10 | $33.00 | Apr 1, 2026 source file |
| PeaceHealth United General Medical Center Sedro Woolley · Mount Vernon-Anacortes, WA MICROSOMAL ANTIBODIES (AUTOANTIBODY) MEASUREMENT | $33.15 | $51.00 | — source file |
| Virginia Mason Medical Center Seattle · Seattle-Tacoma-Bellevue, WA MICROSOMAL ANTIBODIES EACH | $48.96 | $96.00 | — source file |
| Confluence Health Hospital Wenatchee · Wenatchee-East Wenatchee, WA HC Microsomal Antibody Each | $55.80 | $62.00 | — source file |
| Saint Clare Hospital Lakewood · Seattle-Tacoma-Bellevue, WA HC THYROID PEROXIDASE AUTOABS | $57.24 | $198.58 | Feb 28, 2026 source file |
| St Anthony Hospital Gig Harbor · Seattle-Tacoma-Bellevue, WA HC THYROID PEROXIDASE AUTOABS | $60.40 | $198.58 | Feb 28, 2026 source file |
| Highline Medical Center Burien · Seattle-Tacoma-Bellevue, WA HC THYROID PEROXIDASE AUTOABS | $60.64 | $198.58 | Feb 28, 2026 source file |
| St Francis Community Hospital Federal Way · Seattle-Tacoma-Bellevue, WA HC THYROID PEROXIDASE AUTOABS | $62.32 | $198.58 | Feb 28, 2026 source file |
| St Joseph Medical Center Tacoma · Seattle-Tacoma-Bellevue, WA HC THYROID PEROXIDASE AUTOABS | $65.77 | $198.58 | Feb 28, 2026 source file |
| Enumclaw Regional Hospital Association Enumclaw · Seattle-Tacoma-Bellevue, WA HC THYROID PEROXIDASE AUTOABS | $70.18 | $198.58 | Feb 28, 2026 source file |
| PeaceHealth Peace Island Medical Center Friday Harbor · Friday Harbor, WA MICROSOMAL ANTIBODIES (AUTOANTIBODY) MEASUREMENT | $75.40 | $116.00 | — source file |
| Swedish Edmonds Edmonds · Seattle-Tacoma-Bellevue, WA HC MICROSOMAL ANTIBODIES EACH CDM | $76.32 | $159.00 | Apr 1, 2026 source file |
| Swedish Issaquah Issaquah · Seattle-Tacoma-Bellevue, WA HC MICROSOMAL ANTIBODIES EACH CDM | $76.32 | $159.00 | Apr 1, 2026 source file |
| Swedish Medical Center / Cherry Hill Seattle · Seattle-Tacoma-Bellevue, WA HC MICROSOMAL ANTIBODIES EACH LAB | $76.32 | $159.00 | Apr 1, 2026 source file |
| Kaiser Permanente Central Hospital Seattle · Seattle-Tacoma-Bellevue, WA MICROSOMAL ANTIBODIES EACH | $78.40 | $98.00 | Apr 1, 2026 source file |
| Jefferson Healthcare Port Townsend · Port Townsend, WA Microsomal antibodies (autoantibody) measurement | $79.20 | $99.00 | Aug 6, 2026 source file |
| Providence Regional Medical Center Everett Everett · Seattle-Tacoma-Bellevue, WA HC MICROSOMAL ANTIBODIES EACH LAB | $82.68 | $159.00 | Apr 1, 2026 source file |
| St. Joseph Medical Center Bellingham · Bellingham, WA MICROSOMAL ANTIBODIES (AUTOANTIBODY) MEASUREMENT | $84.50 | $130.00 | — source file |
| Harrison Medical Center Silverdale · Bremerton-Silverdale-Port Orchard, WA HC THYROID PEROXIDASE AUTOABS | $87.65 | $198.58 | Feb 28, 2026 source file |
| Providence Holy Family Hospital Spokane · Spokane-Spokane Valley, WA HC MICROSOMAL ANTIBODIES EACH CDM | $88.90 | $127.00 | Apr 1, 2026 source file |
| Skagit Valley Hospital Mount Vernon · Mount Vernon-Anacortes, WA HC LIVER KIDNEY MICROSOME IgG | $92.80 | $116.00 | — source file |
| Kadlec Regional Medical Center Richland · Kennewick-Richland, WA HC THYROID PEROXIDASE AB (ANTI-TPO) | $93.10 | $133.00 | Apr 1, 2026 source file |
| Providence Centralia Hospital Centralia · Centralia, WA HC MICROSOMAL ANTIBODIES EACH LAB | $102.96 | $198.00 | Apr 1, 2026 source file |
| Providence St Peter Hospital Olympia · Olympia-Lacey-Tumwater, WA HC MICROSOMAL ANTIBODIES EACH LAB | $102.96 | $198.00 | Apr 1, 2026 source file |
| Shriners Childrens - Spokane Spokane · Spokane-Spokane Valley, WA MICROSOMAL ANTIBODY EACH | $126.30 | $126.30 | — source file |
| St. John Medical Center Longview · Longview-Kelso, WA MICROSOMAL ANTIBODIES (AUTOANTIBODY) MEASUREMENT | $127.40 | $196.00 | — source file |
| Cascade Valley Hospital Arlington · Seattle-Tacoma-Bellevue, WA HC LIVER KIDNEY MICROSOME IgG | $131.20 | $164.00 | — source file |
| PeaceHealth Southwest Medical Center Vancouver · Portland-Vancouver-Hillsboro, OR-WA MICROSOMAL ANTIBODIES (AUTOANTIBODY) MEASUREMENT | $163.80 | $252.00 | — source file |
| Providence Mount Carmel Hospital Colville · Spokane-Spokane Valley, WA HC MICROSOMAL ANTIBODY | $227.50 | $325.00 | Apr 1, 2026 source file |
| Providence St Joseph Hospital Chewelah · Spokane-Spokane Valley, WA HC MICROSOMAL ANTIBODIES EACH CDM | $280.00 | $400.00 | Apr 1, 2026 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 | $7.05 | $67.98 |
| Spokane-Spokane Valley, WA | 4 | $88.90 | $176.90 |
| Mount Vernon-Anacortes, WA | 2 | $33.15 | $62.98 |
| Portland-Vancouver-Hillsboro, OR-WA | 2 | $10.28 | $87.04 |
| Bellingham, WA | 1 | $84.50 | $84.50 |
| Bremerton-Silverdale-Port Orchard, WA | 1 | $87.65 | $87.65 |
| Centralia, WA | 1 | $102.96 | $102.96 |
| Friday Harbor, WA | 1 | $75.40 | $75.40 |
| Kennewick-Richland, WA | 1 | $93.10 | $93.10 |
| Longview-Kelso, WA | 1 | $127.40 | $127.40 |
| Olympia-Lacey-Tumwater, WA | 1 | $102.96 | $102.96 |
| Port Townsend, WA | 1 | $79.20 | $79.20 |
| Walla Walla, WA | 1 | $23.10 | $23.10 |
| Wenatchee-East Wenatchee, WA | 1 | $55.80 | $55.80 |
What it is
The TPO antibody test looks for antibodies against a thyroid enzyme. They are found in most people with Hashimoto's thyroiditis and many with Graves' disease.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.
Thyroid peroxidase (TPO) antibody test in other states
- Alabama$147.94
- Alaska$17.94
- Arizona$16.42
- Arkansas$42.83
- California$22.88
- Colorado$32.52
- Connecticut$90.20
- Delaware$199.98
- Florida$15.60
- Georgia$177.84
- Hawaii$37.20
- Idaho$16.25
- Illinois$75.00
- Indiana$102.00
- Iowa$55.20
- Kansas$98.48
- Kentucky$163.55
- Louisiana$27.30
- Maine$84.50
- Maryland$64.62
- Massachusetts$52.50
- Michigan$35.45
- Minnesota$48.06
- Mississippi$21.12
- Missouri$80.36
- Montana$72.80
- Nebraska$70.20
- Nevada$19.67
- New Hampshire$101.70
- New Jersey$16.73
- New Mexico$61.60
- New York$50.31
- North Carolina$62.37
- North Dakota$41.35
- Ohio$57.20
- Oklahoma$57.61
- Oregon$60.45
- Pennsylvania$75.30
- Rhode Island$128.00
- South Carolina$80.50
- South Dakota$56.34
- Tennessee$25.50
- Texas$86.92
- Utah$60.68
- Vermont$103.43
- Virginia$51.75
- West Virginia$72.75
- Wisconsin$67.50
- Wyoming$44.94
Median cash price across the state's hospitals.