CA-125 test cost in Buffalo, NY — inpatient
In Buffalo-Cheektowaga, NY, 5 hospitals list a cash price for CA-125 blood test (ovarian cancer marker) as an inpatient: from $51.00 to $226.37, with a median of $51.00. The lowest listed price is at Mount St. Mary's Hospital and 2 other hospitals. Across New York, the median is $88.64 at 63 hospitals.
Cash prices at 5 facilities across 2 cities for code 86304, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Aug 25, 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 Buffalo-Cheektowaga, NY.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Mount St. Mary's Hospital lowest Lewiston, NY · (716) 297-4800 HC Immunoassay, Tumor Antigen, Ca 125 - Ca 125 | $51.00 | $51.00 | $10.00–$51.00 | — | — source file |
| Sisters of Charity Hospital lowest Buffalo, NY · (716) 862-1000 HC Immunoassay, Tumor Antigen, Ca 125 - Ca 125 | $51.00 | $51.00 | $10.00–$51.00 | — | — source file |
| Mercy Hospital of Buffalo lowest Buffalo, NY · (716) 826-7000 HC Immunoassay, Tumor Antigen, Ca 125 - Ca 125 | $51.00 | $51.00 | $10.00–$51.00 | — | — source file |
| Erie County Medical Center Buffalo, NY · (716) 898-3936 CA 125 | $88.64 | $95.65 | $15.12–$86.08 | 7% | Aug 25, 2026 source file |
| Roswell Park Cancer Institute Buffalo, NY Cancer Antigen 125 (Ca125) | $226.37 | $226.37 | — | — | Apr 1, 2026 source file |
Inpatient: lowest $51.00, median $51.00, highest $226.37 — a 4.4× difference within the same market.
As an outpatient, the same code is billed by 6 facilities here, median $52.73 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 0 of 4 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
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.