Lab tests CPT 86304 Inpatient — admitted to hospital

CA-125 test cost in La Crosse, WI — inpatient

In La Crosse-Onalaska, WI-MN, 1 hospital lists a cash price for CA-125 blood test (ovarian cancer marker) as an inpatient: from $115.19 to $115.19, with a median of $115.19. Across Wisconsin, the median is $117.50 at 78 hospitals.

Cash prices at 1 facility for code 86304, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Jun 27, 2026 and Jun 27, 2026.

Lowest$115.19Gundersen St Josephs Hospital and Clinics
Median$115.19half pay less
Highest$115.19in this market
Difference1.0×highest vs lowest

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Gundersen St Josephs Hospital and Clinics Hillsboro, WI · (608) 489-8000 IMMUNOASSAY FOR TUMOR ANTIGEN, QUANTITATIVE; CA 125 $115.19 $219.00 $92.64–$208.05 47% Jun 27, 2026
source file

Inpatient: lowest $115.19, median $115.19, highest $115.19.

As an outpatient, the same code is billed by 1 facility here, median $115.19 — 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

CA-125 is a protein that can be high in ovarian cancer. The test is used to evaluate some pelvic masses and to follow treatment.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.