TPO antibody test cost in Friday Harbor, WA
In Friday Harbor, WA, 1 hospital lists a cash price for thyroid peroxidase (TPO) antibody test: from $75.40 to $75.40, with a median of $75.40. Across Washington, the median is $77.36 at 32 hospitals.
Cash prices at 1 facility for code 86376, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 22, 2026; the hospital files themselves were last updated between — and —.
Lowest$75.40PeaceHealth Peace Island Medical Center
Median$75.40half pay less
Highest$75.40in this market
Difference1.0×highest vs lowest
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| PeaceHealth Peace Island Medical Center Friday Harbor, WA · (360) 378-2141 MICROSOMAL ANTIBODIES (AUTOANTIBODY) MEASUREMENT | $75.40 | $116.00 | — | 35% | — source file |
Outpatient: lowest $75.40, median $75.40, highest $75.40.
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.