Hepatitis B test cost in Boise City, ID — inpatient
In Boise City, ID, 4 hospitals list a cash price for hepatitis B surface antigen (HBsAg) test as an inpatient: from $58.50 to $80.00, with a median of $69.25. The lowest listed price is at Saint Alphonsus Medical Center - Nampa and 1 other hospital — $10.75 less than the median here. Across Idaho, the median is $46.00 at 9 hospitals.
Cash prices at 4 facilities across 2 cities 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 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 Boise City, ID.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Saint Alphonsus Medical Center - Nampa lowest Nampa, ID · (208) 463-5000 HC Infectious Agent Antigen Immunoassay Ql/Sq Multi Step Hepatitis B Surface Agn | $58.50 | $90.00 | $8.93–$81.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Regional Medical Center - Boise lowest Boise, ID · (208) 367-2121 HC Infectious Agent Antigen Immunoassay Ql/Sq Multi Step Hepatitis B Surface Agn | $58.50 | $90.00 | $8.93–$90.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Regional Medical Center - Boise Boise, ID · (208) 367-2121 HC Labcorp Infectious Agent Antigen Immunoassay Ql/Sq Multi Step Hepatitis B Surface Agn | $60.45 | $93.00 | $8.93–$93.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Nampa Nampa, ID · (208) 463-5000 HC Labcorp Infectious Agent Antigen Immunoassay Ql/Sq Multi Step Hepatitis B Surface Agn | $60.45 | $93.00 | $8.93–$83.70 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Regional Medical Center - Boise Boise, ID · (208) 367-2121 HC Warde Infectious Agent Antigen Immunoassay Ql/Sq Multi Step Hepatitis B Surface Agn | $70.85 | $109.00 | $8.93–$109.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Regional Medical Center - Boise Boise, ID · (208) 367-2121 HC External Infectious Agent Antigen Immunoassay Ql/Sq Multi Step Hepatitis B Surface Agn | $70.85 | $109.00 | $8.93–$109.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Nampa Nampa, ID · (208) 463-5000 HC External Infectious Agent Antigen Immunoassay Ql/Sq Multi Step Hepatitis B Surface Agn | $70.85 | $109.00 | $8.93–$98.10 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Nampa Nampa, ID · (208) 463-5000 HC Warde Infectious Agent Antigen Immunoassay Ql/Sq Multi Step Hepatitis B Surface Agn | $70.85 | $109.00 | $8.93–$98.10 | 35% | Mar 31, 2026 source file |
| St Luke's Nampa Medical Center Nampa, ID · (208) 505-2000 | $80.00 | $80.00 | — | — | — source file |
| St Luke's Regional Medical Center Boise, ID · (208) 381-2222 | $80.00 | $80.00 | — | — | — source file |
| St Luke's Regional Medical Center Boise, ID · (208) 381-2222 | $180.56 | $180.56 | — | — | — source file |
| St Luke's Nampa Medical Center Nampa, ID · (208) 505-2000 | $180.56 | $180.56 | — | — | — source file |
Inpatient: lowest $58.50, median $69.25, highest $80.00 — a 1.4× difference within the same market.
As an outpatient, the same code is billed by 4 facilities here, median $52.25 — that is the price to compare if you are not being admitted.
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 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.