CA-125 test cost in Chicago, IL
In Chicago-Naperville-Elgin, IL-IN, 47 hospitals list a cash price for CA-125 blood test (ovarian cancer marker): from $11.72 to $520.00, with a median of $140.00. The lowest listed price is at Roseland Community Hospital Association — $128.28 less than the median here. Across Illinois, the median is $122.50 at 60 hospitals.
Cash prices at 47 facilities across 35 cities for code 86304, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 17, 2025 and Sep 1, 2026.
Lowest$11.72Roseland Community Hospital Association
Median$140.00half pay less
Highest$520.00in this market
Difference44.4×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 Chicago-Naperville-Elgin, IL-IN.
median
Lowest $11.72Highest $520.00
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Roseland Community Hospital Association lowest Chicago, IL · (773) 995-3000 Immunologic analysis for detection of tumor antigen, quantitative; CA 125 | $11.72 | $52.03 | $11.72–$57.23 | 77% | Jul 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC CA 125 | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC CA 125 - ARUP | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC CA 125 | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC CA 125 - ARUP | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC CA 125 - ARUP | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC CA 125 | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC CA 125 | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC CA 125 | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC CA 125 | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC CA 125 - ARUP | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC CA 125 | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC CA 125 - ARUP | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC CA 125 - ARUP | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC CA 125 - ARUP | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC CA 125 | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC CA 125 - ARUP | $18.25 | $73.00 | — | 75% | Apr 1, 2026 source file |
| Saint Francis Hospital Evanston, IL · (847) 316-4000 HC IMMUNOASSAY, TUMOR ANTIGEN, CA 125 | $20.00 | $560.00 | $11.72–$464.80 | 96% | Sep 1, 2026 source file |
| Mercy Medical Center Aurora, IL · (630) 859-2222 CANCER ANTIGEN 125 | $20.00 | $513.00 | $11.72–$513.00 | 96% | Sep 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC CA 125 - RISK OF OVARIAN MALIGNANCY ALGORITHM - ARUP | $57.50 | $230.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC CA 125 - RISK OF OVARIAN MALIGNANCY ALGORITHM - ARUP | $57.50 | $230.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC CA 125 - RISK OF OVARIAN MALIGNANCY ALGORITHM - ARUP | $57.50 | $230.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC CA 125 - RISK OF OVARIAN MALIGNANCY ALGORITHM - ARUP | $57.50 | $230.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC CA 125 - RISK OF OVARIAN MALIGNANCY ALGORITHM - ARUP | $57.50 | $230.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC CA 125 - RISK OF OVARIAN MALIGNANCY ALGORITHM - ARUP | $57.50 | $230.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC CA 125 - RISK OF OVARIAN MALIGNANCY ALGORITHM - ARUP | $57.50 | $230.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC CA 125 - RISK OF OVARIAN MALIGNANCY ALGORITHM - ARUP | $57.50 | $230.00 | — | 75% | Apr 1, 2026 source file |
| Gottlieb Memorial Hospital Melrose Park, IL · (708) 681-3200 Ca125 | $64.98 | $342.00 | $145.69–$286.60 | 81% | Mar 31, 2026 source file |
| Community First Medical Center Chicago, IL · (773) 282-7000 Immunologic analysis for detection of tumor antigen, quantitative; CA 125 | $72.25 | $144.50 | $11.39–$144.50 | 50% | Apr 1, 2026 source file |
| Loyola University Medical Center Maywood, IL · (708) 216-9000 Ca125 | $78.66 | $342.00 | $150.14–$360.47 | 77% | Mar 31, 2026 source file |
| Humboldt Park Health Chicago, IL · (773) 292-8200 Immunologic analysis for detection of tumor antigen, quantitative; CA 125 | $106.43 | $380.10 | $380.10 | 72% | Aug 24, 2026 source file |
| Advocate Childrens Hospital Park Ridge Park Ridge, IL CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$218.05 | 50% | Nov 4, 2025 source file |
| Advocate Good Shepherd Hospital Barrington, IL · (847) 381-9600 CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$196.00 | 50% | Nov 4, 2025 source file |
| Advocate Childrens Hospital Oak Lawn Oak Lawn, IL CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$196.00 | 50% | Nov 4, 2025 source file |
| Advocate Trinity Hospital Chicago, IL · (773) 967-5002 CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$196.00 | 50% | Nov 4, 2025 source file |
| Advocate South Suburban Hospital Hazel Crest, IL CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$238.63 | 50% | Nov 4, 2025 source file |
| Advocate Condell Medical Center Libertyville, IL · (847) 362-2900 CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$196.00 | 50% | Nov 4, 2025 source file |
| Advocate Sherman Hospital Elgin, IL · (847) 742-9800 CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$220.50 | 50% | Nov 4, 2025 source file |
| Advocate Lutheran General Hospital Park Ridge, IL · (847) 723-2210 CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$218.05 | 50% | Nov 4, 2025 source file |
| Advocate Illinois Masonic Medical Center Chicago, IL · (773) 975-1600 CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$199.43 | 50% | Nov 4, 2025 source file |
| Advocate Good Samaritan Hospital Downers Grove, IL · (630) 275-5900 CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$196.00 | 50% | Nov 4, 2025 source file |
| Advocate Christ Medical Center Oak Lawn, IL · (708) 684-8000 CANCER ANTIGEN 125 | $122.50 | $245.00 | $20.81–$196.00 | 50% | Nov 4, 2025 source file |
| Louis A Weiss Memorial Hospital Chicago, IL · (773) 878-8700 Cancer Antigen (CA) 125 SO | $135.72 | $399.19 | $16.71–$259.47 | 66% | Mar 17, 2025 source file |
| Northwestern Medicine Marianjoy Rehabilitation Hospital Wheaton, IL HB Cancer Antigen 125 | $140.00 | $200.00 | $84.00–$200.00 | 30% | Apr 1, 2026 source file |
| Resilience Healthcare West Suburban Medical Center Oak Park, IL · (708) 383-6200 Cancer Antigen (CA) 125 SO | $152.19 | $447.61 | $16.71–$290.95 | 66% | Mar 17, 2025 source file |
| Palos Community Hospital Palos Heights, IL · (708) 923-4000 HB Cancer Antigen 125 | $159.60 | $228.00 | $36.48–$228.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Delnor Hospital Geneva, IL · (630) 208-3000 HB Cancer Antigen 125 (N/C) | $161.00 | $230.00 | $34.27–$230.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Central DuPage Hospital Winfield, IL · (630) 682-1600 HB Cancer Antigen 125 (N/C) | $161.00 | $230.00 | $15.87–$230.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine McHenry Hospital McHenry, IL · (815) 344-5000 HB Cancer Antigen 125 (N/C) | $161.00 | $230.00 | $44.39–$230.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Kishwaukee Hospital DeKalb, IL · (815) 756-1521 HB Cancer Antigen 125 | $162.40 | $232.00 | $42.46–$232.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Valley West Hospital Sandwich, IL · (815) 786-8484 HB Cancer Antigen 125 | $164.50 | $235.00 | $44.65–$235.00 | 30% | Apr 1, 2026 source file |
| Palos Community Hospital Palos Heights, IL · (708) 923-4000 HB Cancer Antigen 125 (N/C) | $168.00 | $240.00 | $38.40–$240.00 | 30% | Apr 1, 2026 source file |
| Presence Saint Joseph Hospital - Chicago Chicago, IL · (773) 665-3000 HC CANCER ANTIGEN 125 | $184.80 | $560.00 | $20.81–$87.18 | 67% | — source file |
| Presence Saint Joseph Hospital - Chicago Chicago, IL · (773) 665-3000 HC CANCER ANTIGEN 125 | $184.80 | $560.00 | $20.81–$87.18 | 67% | — source file |
| NorthShore University HealthSystems Skokie Hospital Skokie, IL Ca-125* | $193.70 | $298.00 | $40.23–$162.71 | 35% | — source file |
| NorthShore University HealthSystems Glenbrook Hospital Glenview, IL Ca-125* | $193.70 | $298.00 | $40.23–$162.71 | 35% | — source file |
| NorthShore University HealthSystems Evanston Hospital Evanson, IL · (847) 570-2000 Ca-125* | $193.70 | $298.00 | $40.23–$162.71 | 35% | — source file |
| NorthShore University HealthSystems Highland Park Hospital Highland Park, IL Ca-125* | $193.70 | $298.00 | $40.23–$162.71 | 35% | — source file |
| Northwestern Medicine McHenry Hospital McHenry, IL · (815) 344-5000 HB Ref Cancer Antigen 125 | $206.50 | $295.00 | $56.94–$295.00 | 30% | Apr 1, 2026 source file |
| Northwestern Lake Forest Hospital Lake Forest, IL · (847) 234-5600 HB Ref Cancer Antigen 125 | $206.50 | $295.00 | $48.97–$295.00 | 30% | Apr 1, 2026 source file |
| Northwest Community Hospital Arlington Heights, IL · (847) 618-1000 Hb Immunoassay Tumor Ca 125 | $281.00 | $281.00 | — | — | Apr 1, 2026 source file |
| The Methodist Hospitals Gary, IN · (219) 886-4000 Ca-125 | $287.00 | $410.00 | $20.81–$364.90 | 30% | — source file |
| The Methodist Hospitals Merrillville, IN Ca-125 | $287.00 | $410.00 | $20.81–$364.90 | 30% | — source file |
| Endeavor Health Clinical Operations Highland Park, IL HB CA-125* | $298.00 | $298.00 | — | — | Apr 1, 2026 source file |
| Endeavor Health Clinical Operations Evanston, IL HB CA-125* | $298.00 | $298.00 | — | — | Apr 1, 2026 source file |
| Swedish Covenant Health Chicago, IL · (773) 878-8200 HB CA-125* | $298.00 | $298.00 | — | — | Apr 1, 2026 source file |
| Ingalls Memorial Hospital Harvey, IL · (708) 333-2300 Hc Immunoassay For Tumor Antigen, Quantitative; Ca 125 | $316.00 | $316.00 | — | — | Apr 1, 2026 source file |
| Northwestern Medicine Central DuPage Hospital Winfield, IL · (630) 682-1600 HB Cancer Antigen 125 | $317.10 | $453.00 | $31.26–$453.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Delnor Hospital Geneva, IL · (630) 208-3000 HB Cancer Antigen 125 | $317.10 | $453.00 | $67.50–$453.00 | 30% | Apr 1, 2026 source file |
| Edward Hospital Naperville, IL · (630) 527-3000 HC IMMUNOASSAY TUMOR ANTIGEN CA 125 | $320.00 | $320.00 | — | — | Apr 1, 2026 source file |
| Elmhurst Memorial Hospital Elmhurst, IL · (331) 221-1000 HC IMMUNOASSAY TUMOR ANTIGEN CA 125 | $320.00 | $320.00 | — | — | Apr 1, 2026 source file |
| Northwestern Lake Forest Hospital Lake Forest, IL · (847) 234-5600 HB Cancer Antigen 125 (N/C) | $330.40 | $472.00 | $78.35–$472.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Central DuPage Hospital Winfield, IL · (630) 682-1600 HB Ref Cancer Antigen 125 | $352.80 | $504.00 | $34.78–$504.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Delnor Hospital Geneva, IL · (630) 208-3000 HB Ref Cancer Antigen 125 | $352.80 | $504.00 | $75.10–$504.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine McHenry Hospital McHenry, IL · (815) 344-5000 HB Cancer Antigen 125 | $406.70 | $581.00 | $112.13–$581.00 | 30% | Apr 1, 2026 source file |
| The University of Chicago Medical Center Chicago, IL · (773) 702-9785 Hc Immunoassay For Tumor Antigen, Quantitative; Ca 125 | $520.00 | $520.00 | — | — | Apr 1, 2026 source file |
Outpatient: lowest $11.72, median $140.00, highest $520.00 — a 44.4× difference within the same market.
As an inpatient, the same code is billed by 30 facilities here, median $129.11. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 30 of 35 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 3 it is 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.
2 rows held back from this comparison
They are priced below $1 or below a tenth of the national median for code 86304 ($108.66). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| Gottlieb Memorial Hospital Melrose Park, ILEwc - Lab Ca125 | $0.01 | file |
| Loyola University Medical Center Maywood, ILEwc - Lab Ca125 | $0.01 | file |