Hepatitis B test cost in Waterbury, CT — inpatient
In Waterbury, CT, 2 hospitals list a cash price for hepatitis B surface antigen (HBsAg) test as an inpatient: from $54.35 to $63.80, with a median of $59.08. The lowest listed price is at UConn Health, Waterbury Hospital — $4.73 less than the median here. Across Connecticut, the median is $55.18 at 16 hospitals.
Cash prices at 2 facilities for code 87340, 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 |
|---|---|---|---|---|---|
| UConn Health, Waterbury Hospital lowest Waterbury, CT · (203) 573-6000 Hepatitis B Surface Antigen | $54.35 | $108.70 | — | 50% | May 13, 2026 source file |
| Saint Marys Hospital Waterbury, CT · (203) 709-6020 HC Infectious Agent Antigen Immunoassay Ql/Sq Multi Step Hepatitis B Surface Agn | $63.80 | $116.00 | $9.21–$116.00 | 45% | Mar 31, 2026 source file |
| Saint Marys Hospital Waterbury, CT · (203) 709-6020 HC Warde Infectious Agent Antigen Immunoassay Ql/Sq Multi Step Hepatitis B Surface Agn | $63.80 | $116.00 | $9.21–$116.00 | 45% | Mar 31, 2026 source file |
| UConn Health, Waterbury Hospital Waterbury, CT · (203) 573-6000 .Hep Bs Ag with rfx Confirm (SO) | $67.50 | $135.00 | — | 50% | May 13, 2026 source file |
Inpatient: lowest $54.35, median $59.08, highest $63.80 — a 1.2× difference within the same market.
As an outpatient, the same code is billed by 2 facilities here, median $59.08 — 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 hepatitis B surface antigen test shows whether the hepatitis B virus is present in the blood now. The CDC recommends screening all adults at least once and every pregnant woman in each pregnancy.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.