TPO antibody test cost in Flagstaff, AZ
In Flagstaff, AZ, 2 hospitals list a cash price for thyroid peroxidase (TPO) antibody test: from $23.32 to $26.40, with a median of $24.86. The lowest listed price is at Page Hospital — $1.54 less than the median here. Across Arizona, the median is $16.42 at 34 hospitals.
Cash prices at 2 facilities across 2 cities for code 86376, 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 Mar 2, 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 Flagstaff, AZ.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Page Hospital lowest Page, AZ · (928) 645-2424 LAB AB MICROSOMAL EA | $23.32 | $44.00 | $14.55–$41.80 | 47% | Mar 2, 2026 source file |
| Page Hospital lowest Page, AZ · (928) 645-2424 LAB AB MICROSOMAL LC-1 EA | $23.32 | $44.00 | $14.55–$41.80 | 47% | Mar 2, 2026 source file |
| Flagstaff Medical Center Flagstaff, AZ · (928) 779-3366 *REF* Liver/Kidney Microsome Type 1 Ab | $26.40 | $52.80 | $14.08–$5,000.00 | 50% | Feb 28, 2026 source file |
| Page Hospital Page, AZ · (928) 645-2424 LAB AB MICROSOMAL LIVER-KIDNEY EA | $33.39 | $63.00 | $14.55–$59.85 | 47% | Mar 2, 2026 source file |
| Flagstaff Medical Center Flagstaff, AZ · (928) 779-3366 *REF* Antithyroid Peroxidase Antibody | $95.73 | $191.45 | $14.08–$5,000.00 | 50% | Feb 28, 2026 source file |
Outpatient: lowest $23.32, median $24.86, highest $26.40 — a 1.1× difference within the same market.
As an inpatient, the same code is billed by 2 facilities here, median $24.86. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 2 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
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.