TPO antibody test cost in Waterbury, CT — inpatient
In Waterbury, CT, 2 hospitals list a cash price for thyroid peroxidase (TPO) antibody test as an inpatient: from $90.20 to $99.42, with a median of $94.81. The lowest listed price is at Saint Marys Hospital — $4.61 less than the median here. Across Connecticut, the median is $90.20 at 16 hospitals.
Cash prices at 2 facilities for code 86376, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 31, 2026 and May 13, 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 Waterbury, CT.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Saint Marys Hospital lowest Waterbury, CT · (203) 709-6020 HC Warde Microsomal Antibody Liver-Kidney | $90.20 | $164.00 | $12.97–$164.00 | 45% | Mar 31, 2026 source file |
| Saint Marys Hospital lowest Waterbury, CT · (203) 709-6020 HC Warde Microsomal Antibody Thyroid Peroxidase (Tpo) | $90.20 | $164.00 | $12.97–$164.00 | 45% | Mar 31, 2026 source file |
| Saint Marys Hospital lowest Waterbury, CT · (203) 709-6020 HC Quest Microsomal Antibody Liver-Kidney | $90.20 | $164.00 | $12.97–$164.00 | 45% | Mar 31, 2026 source file |
| Saint Marys Hospital lowest Waterbury, CT · (203) 709-6020 HC Quest Microsomal Antibody Thyroid Peroxidase (Tpo) | $90.20 | $164.00 | $12.97–$164.00 | 45% | Mar 31, 2026 source file |
| Saint Marys Hospital lowest Waterbury, CT · (203) 709-6020 HC Quest 36378 Microsomal Antibodies Each | $90.20 | $164.00 | $12.97–$164.00 | 45% | Mar 31, 2026 source file |
| Saint Marys Hospital lowest Waterbury, CT · (203) 709-6020 HC Quest 13888 Microsomal Antibody Liver-Kidney | $90.20 | $164.00 | $12.97–$164.00 | 45% | Mar 31, 2026 source file |
| Saint Marys Hospital lowest Waterbury, CT · (203) 709-6020 HC Warde 3007980 Microsomal Antibody Thyroid Peroxidase (Tpo) | $90.20 | $164.00 | $12.97–$164.00 | 45% | Mar 31, 2026 source file |
| UConn Health, Waterbury Hospital Waterbury, CT · (203) 573-6000 Liver Kidney Microsome Ab IgG (SO) | $99.42 | $198.84 | — | 50% | May 13, 2026 source file |
| UConn Health, Waterbury Hospital Waterbury, CT · (203) 573-6000 Thyroid Peroxidase Antibody (SO) | $99.42 | $198.84 | — | 50% | May 13, 2026 source file |
| UConn Health, Waterbury Hospital Waterbury, CT · (203) 573-6000 Thyroid Autoantibodies (SO) | $99.42 | $198.84 | — | 50% | May 13, 2026 source file |
Inpatient: lowest $90.20, median $94.81, highest $99.42 — a 1.1× difference within the same market.
As an outpatient, the same code is billed by 2 facilities here, median $94.81 — that is the price to compare if you are not being admitted.
Cash or insurance?
At the one hospital here that publishes insurer rates for this code, the cash price is below the highest rate a health plan has negotiated. 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.