Lab tests CPT 87340 Inpatient — admitted to hospital

Hepatitis B test cost in Detroit, MI — inpatient

In Detroit-Warren-Dearborn, MI, 11 hospitals list a cash price for hepatitis B surface antigen (HBsAg) test as an inpatient: from $30.80 to $110.00, with a median of $97.50. The lowest listed price is at Henry Ford Health and 1 other hospital — $66.70 less than the median here. Across Michigan, the median is $40.02 at 56 hospitals.

Cash prices at 11 facilities across 10 cities for code 87340, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Aug 20, 2026 and Sep 2, 2026.

Lowest$30.80Henry Ford Health + 1 more
Median$97.50half pay less
Highest$110.00in this market
Difference3.6×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Detroit-Warren-Dearborn, MI.

median
Lowest $30.80Highest $171.75

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Henry Ford Health lowest Southfield, MI · (248) 849-3000 HEPATITIS B SURFACE ANTIGEN $30.80 $55.00 $7.54–$18.56 44% —
source file
Henry Ford Health lowest Novi, MI HEPATITIS B SURFACE ANTIGEN $30.80 $55.00 $6.98–$18.56 44% —
source file
Henry Ford Health lowest Southfield, MI · (248) 849-3000 HEPATITIS B SURFACE ANTIGEN $30.80 $55.00 $7.54–$18.56 44% —
source file
Henry Ford Health Detroit, MI · (313) 343-4000 HEP B SURFACE ANTIGEN-HBSAG $35.28 $63.00 $8.42–$16.58 44% —
source file
Henry Ford Health East China Township, MI · (810) 329-7111 HEP B SURFACE ANTIGEN-HBSAG $35.43 $63.27 $13.74–$16.58 44% —
source file
Henry Ford Health East China Township, MI · (810) 329-7111 HEPATITIS B SURFACE AG (HBSAG) $35.43 $63.27 $13.74–$16.58 44% —
source file
Henry Ford Health Warren, MI · (586) 573-5000 HEP B SURFACE ANTIGEN-HBSAG $38.64 $69.00 $13.74–$16.58 44% —
source file
Henry Ford Health Warren, MI · (586) 573-5000 HEPATITIS B SURFACE AG (HBSAG) $38.64 $69.00 $13.74–$16.58 44% —
source file
Henry Ford Health Southfield, MI · (248) 849-3000 HEPATITIS B SURFACE AG $39.20 $70.00 $6.98–$18.56 44% —
source file
Henry Ford Health Novi, MI HEPATITIS B SURFACE AG $39.20 $70.00 $6.98–$18.56 44% —
source file
Harper University Hospital Detroit, MI · (313) 745-6211 TRANSPLANT HEPATITIS B SURF AG $97.50 $130.00 $1.00–$14.10 25% Sep 2, 2026
source file
Harper University Hospital Detroit, MI · (313) 745-6211 TRANSPLANT HEPATITIS B SURF AG $97.50 $130.00 $1.00–$14.10 25% Aug 20, 2026
source file
William Beaumont Hospital Troy, MI · (248) 964-8800 Hc Hep B Surf Antigen $110.00 $110.00 — — —
source file
Beaumont Hospital - Taylor Taylor, MI · (313) 295-5000 Hc Hep B Surf Antigen $110.00 $110.00 — — —
source file
Corewell Health Trenton Hospital Trenton, MI · (734) 671-3800 Hc Hep B Surf Antigen $110.00 $110.00 — — —
source file
Corewell Health Wayne Hospital Wayne, MI · (734) 467-4175 Hc Hep B Surf Antigen $110.00 $110.00 — — —
source file
William Beaumont Hospital Grosse Pointe, MI · (313) 473-1000 Hc Hep B Surf Antigen $110.00 $110.00 — — —
source file
Harper University Hospital Detroit, MI · (313) 745-6211 HEPATITIS BS ANTIGEN $171.75 $229.00 $1.00–$14.10 25% Aug 20, 2026
source file
Harper University Hospital Detroit, MI · (313) 745-6211 HEPATITIS BS ANTIGEN $171.75 $229.00 $1.00–$14.10 25% Sep 2, 2026
source file

Inpatient: lowest $30.80, median $97.50, highest $110.00 — a 3.6× difference within the same market.

As an outpatient, the same code is billed by 21 facilities here, median $36.30 — that is the price to compare if you are not being admitted.

Cash or insurance?

At 0 of 6 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.