TPO antibody test cost in South Bend, IN
In South Bend-Mishawaka, IN-MI, 2 hospitals list a cash price for thyroid peroxidase (TPO) antibody test: from $118.95 to $167.70, with a median of $143.33. The lowest listed price is at Memorial Hospital of South Bend — $24.38 less than the median here. Across Indiana, the median is $102.00 at 63 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 Jan 1, 2026 and Mar 31, 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 South Bend-Mishawaka, IN-MI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Memorial Hospital of South Bend lowest South Bend, IN · (574) 647-1000 86376 MICROSOMAL ANTIBODY EACH | $118.95 | $183.00 | $36.60–$183.00 | 35% | Jan 1, 2026 source file |
| Memorial Hospital of South Bend lowest South Bend, IN · (574) 647-1000 TPO Thyroid Peroxidase Antibodies | $118.95 | $183.00 | $36.60–$183.00 | 35% | Jan 1, 2026 source file |
| Memorial Hospital of South Bend lowest South Bend, IN · (574) 647-1000 Liver-Kidney Microsomal (LKM) Antibodies | $118.95 | $183.00 | $36.60–$183.00 | 35% | Jan 1, 2026 source file |
| Memorial Hospital of South Bend lowest South Bend, IN · (574) 647-1000 LC-1 (Liver Cytosol Protein-1) | $118.95 | $183.00 | $36.60–$183.00 | 35% | Jan 1, 2026 source file |
| Mishawaka Medical Center Mishawaka, IN HC Labcorp Microsomal Antibody Thyroid Peroxidase (Tpo) | $167.70 | $258.00 | $8.12–$258.00 | 35% | Mar 31, 2026 source file |
| Mishawaka Medical Center Mishawaka, IN HC Microsomal Antibody Liver-Kidney | $167.70 | $258.00 | $8.12–$258.00 | 35% | Mar 31, 2026 source file |
| Mishawaka Medical Center Mishawaka, IN HC Labcorp 6684 Microsomal Antibody Thyroid Peroxidase (Tpo) | $167.70 | $258.00 | $8.12–$258.00 | 35% | Mar 31, 2026 source file |
| Mishawaka Medical Center Mishawaka, IN HC Labcorp 501015 Microsomal Antibodies Each | $167.70 | $258.00 | $8.12–$258.00 | 35% | Mar 31, 2026 source file |
Outpatient: lowest $118.95, median $143.33, highest $167.70 — a 1.4× difference within the same market.
As an inpatient, the same code is billed by 2 facilities here, median $143.33. 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.