CA-125 test cost in Montana
In Montana, 8 hospitals publish a cash price for CA-125 blood test (ovarian cancer marker): from $23.13 to $159.60, with a median of $100.00. The lowest price is at Great Falls Clinic Hospital (Great Falls). The highest price is 6.9× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 86304. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.
Hospitals in Montana, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Great Falls Clinic Hospital lowest Great Falls · Great Falls, MT IMMUNOASSAY TUMOR CA 125 | $23.13 | $23.13 | — source file |
| St. Peter's Health Helena · Helena, MT LABORATORY - IMMUNOLOGY | $57.58 | $67.74 | — source file |
| Providence St Joseph Medical Center Polson · Polson, MT HC IMMUNOASSAY TUMOR ANTIGEN QUANTITATIVE CA 125 CDM | $88.00 | $110.00 | Apr 1, 2026 source file |
| Deaconess Regional Medical Center Bozeman · Bozeman, MT HC IMMUNOASSAY TUMOR ANTIGEN CA 125 - CA 125 | $91.20 | $114.00 | Nov 19, 2024 source file |
| Big Sky Medical Center Big Sky · Bozeman, MT HC IMMUNOASSAY TUMOR ANTIGEN CA 125 - CA 125 | $108.80 | $136.00 | Nov 19, 2024 source file |
| St. Patrick Hospital Missoula · Missoula, MT HC IMMUNOASSAY TUMOR ANTIGEN QUANTITATIVE CA 125 CDM | $122.40 | $153.00 | Apr 1, 2026 source file |
| Community Hospital of Anaconda Anaconda · Anaconda, MT Immunologic analysis for detection of tumor antigen, quantitative; CA 125 | $128.40 | $171.20 | Jul 20, 2026 source file |
| Barrett Hospital & Healthcare Dillon · Dillon, MT Immunologic analysis for detection of tumor antigen, quantitative; CA 125 | $159.60 | $168.00 | Jun 12, 2026 source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Bozeman, MT | 2 | $91.20 | $100.00 |
| Anaconda, MT | 1 | $128.40 | $128.40 |
| Dillon, MT | 1 | $159.60 | $159.60 |
| Great Falls, MT | 1 | $23.13 | $23.13 |
| Helena, MT | 1 | $57.58 | $57.58 |
| Missoula, MT | 1 | $122.40 | $122.40 |
| Polson, MT | 1 | $88.00 | $88.00 |
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.
CA-125 blood test (ovarian cancer marker) in other states
- Alabama$137.51
- Alaska$199.00
- Arizona$23.93
- Arkansas$46.20
- California$137.80
- Colorado$86.56
- Connecticut$93.38
- Delaware$179.48
- Florida$68.25
- Georgia$140.79
- Hawaii$102.00
- Idaho$93.00
- Illinois$122.50
- Indiana$167.81
- Iowa$97.00
- Kansas$120.00
- Kentucky$337.27
- Louisiana$49.12
- Maine$85.88
- Maryland$90.56
- Massachusetts$81.90
- Michigan$119.43
- Minnesota$101.60
- Mississippi$103.96
- Missouri$111.48
- Nebraska$84.18
- Nevada$36.29
- New Hampshire$128.87
- New Jersey$23.93
- New Mexico$98.80
- New York$88.64
- North Carolina$88.50
- North Dakota$101.60
- Ohio$93.60
- Oklahoma$63.00
- Oregon$100.10
- Pennsylvania$129.80
- Rhode Island$165.60
- South Carolina$181.00
- South Dakota$101.60
- Tennessee$63.80
- Texas$127.01
- Utah$73.21
- Vermont$186.41
- Virginia$102.00
- Washington$118.04
- West Virginia$114.00
- Wisconsin$117.50
- Wyoming$66.65
Median cash price across the state's hospitals.