TPO antibody test cost in Eureka, CA — inpatient
In Eureka-Arcata, CA, 2 hospitals list a cash price for thyroid peroxidase (TPO) antibody test as an inpatient: from $30.57 to $30.57, with a median of $30.57. The lowest listed price is at Providence Redwood Memorial Hospital and 1 other hospital. Across California, the median is $22.88 at 91 hospitals.
Cash prices at 2 facilities across 2 cities for code 86376, as an inpatient (admitted to hospital) . 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 Eureka-Arcata, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Providence Redwood Memorial Hospital lowest Fortuna, CA · (707) 445-8121 HC MICROSOMAL ANTIBODIES EACH LAB | $30.57 | $59.95 | — | 49% | Apr 1, 2026 source file |
| Providence St Joseph Hospital lowest Eureka, CA · (707) 445-8121 HC MICROSOMAL ANTIBODIES EACH LAB | $30.57 | $59.95 | — | 49% | Apr 1, 2026 source file |
Inpatient: lowest $30.57, median $30.57, highest $30.57.
As an outpatient, the same code is billed by 2 facilities here, median $30.57 — that is the price to compare if you are not being admitted.
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.
4 rows held back from this comparison
They are priced below $1 or below a tenth of the national median for code 86376 ($65.00). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| Providence Redwood Memorial Hospital Fortuna, CAHC MICROSOMAL ANTIBODY | $2.49 | file |
| Providence St Joseph Hospital Eureka, CAHC MICROSOMAL ANTIBODY | $2.49 | file |
| Providence Redwood Memorial Hospital Fortuna, CAHC MICROSOMAL ANTIBODIES EACH CDM | $2.55 | file |
| Providence St Joseph Hospital Eureka, CAHC MICROSOMAL ANTIBODIES EACH CDM | $2.55 | file |