--- title: CA 19-9 Test type: biomarker url: "https://www.test-well.com/biomarkers/ca-19-9" also_known_as: - ca 19-9 - ca19-9 - cancer antigen 19-9 category: Heart Health units: - U/mL order_price_usd: 28.99 order_item: CA 19-9 (Pancreatic Cancer Marker) order_url: "https://www.test-well.com/tests/ca-19-9-test" reviewed_at: 2026-09-05 --- # CA 19-9 > CA 19-9 is measured with a standard blood draw; no fasting is needed. A typical reference range is 0.000 – 37.0 U/mL. At TestWell it's $28.99 all-in as CA 19-9 (Pancreatic Cancer Marker), results in 2–5 business days, drawn at Labcorp. An out-of-range result is a prompt to look closer, not a diagnosis. Also known as: ca 19-9, ca19-9, cancer antigen 19-9. ## Key facts | Fact | Value | | --- | --- | | Units | U/mL | | Sample | Blood draw | | Fasting | Not required | | Results | 2–5 business days | | Price | $28.99 | | Labs | Labcorp | ## What does CA 19-9 measure? A protein elevated in pancreatic and biliary tract cancers. Also rises with benign biliary disease. ## What is the normal range for CA 19-9? | Population | Reference range | | --- | --- | | age 18+ | 0.000 – 37.0 U/mL | Reference intervals differ slightly between labs; the range printed on your report is the one to interpret against. Ranges are usually set so 95% of healthy people fall inside them. ## How do you get tested for CA 19-9? | Order | Type | Price | Includes | | --- | --- | --- | --- | | [CA 19-9 (Pancreatic Cancer Marker)](https://www.test-well.com/tests/ca-19-9-test) | Single test | $28.99 | This marker | | [Men's Cancer Screening Panel](https://www.test-well.com/tests/mens-cancer-screening-panel) | Panel | $299.99 | 12 tests | | [Women's Cancer Screening Panel](https://www.test-well.com/tests/womens-cancer-screening-panel) | Panel | $299.99 | 12 tests | ## Quest vs Labcorp vs BioReference | Lab | Available | Price | Notes | | --- | --- | --- | --- | | Quest Diagnostics | No | — | Not offered through Quest for this test. | | Labcorp | Yes | $28.99 | Choose Labcorp at checkout; walk-in patient service centers in every state TestWell serves outside NY and NJ. | | BioReference (NY & NJ) | No | — | Not available in NY/NJ for this test. | - [What a high CA 19-9 means (causes, symptoms, next steps)](https://www.test-well.com/biomarkers/ca-19-9/high) ## Common questions about CA 19-9 ### Do I need a doctor's order to test my ca 19-9? No. TestWell's licensed physician network reviews and approves your order — usually within minutes. You can place an order online without an in-person visit or a referral from your own doctor. ### How long does it take to get CA 19-9 results? Most CA 19-9 results are available in 1–3 business days after your specimen arrives at the lab. You'll get an email the moment your results are ready, with everything viewable in your TestWell portal. ### How much does a CA 19-9 test cost? Our CA 19-9 (Pancreatic Cancer Marker) starts at $28.99. That's the all-in price — no copays, no insurance hoops, no surprise bills. HSA and FSA cards are accepted. ### Do I need to fast before my CA 19-9 test? Fasting is not required for the CA 19-9 test. You can have your blood drawn any time of day. ### Which lab will process my CA 19-9 test? Your test will be processed by Quest Diagnostics, Labcorp, or BioReference depending on which is closest to you and which lab carries the test. All three are CLIA-certified and trusted by hospitals nationwide. You'll choose your lab during checkout from 4,000+ locations. ## Sources - [Mayo Clinic Labs](https://www.mayocliniclabs.com/test-catalog/overview/8312) - [MedlinePlus (NIH) — CA 19-9 Blood Test (Pancreatic Cancer)](https://medlineplus.gov/lab-tests/ca-19-9-blood-test-pancreatic-cancer/) ## Related biomarkers - [Apolipoprotein B](https://www.test-well.com/biomarkers/apolipoprotein-b) - [Lipoprotein(a)](https://www.test-well.com/biomarkers/lipoprotein-a) - [NT-proBNP](https://www.test-well.com/biomarkers/nt-probnp) - [Homocysteine](https://www.test-well.com/biomarkers/homocysteine) - [LDL Particle Number](https://www.test-well.com/biomarkers/ldl-particle-number) - [Small LDL Particle](https://www.test-well.com/biomarkers/small-ldl-particle) - [Reference range lookup tool](https://www.test-well.com/tools/reference-range-lookup) - [Lab unit converter](https://www.test-well.com/tools/lab-unit-converter) - [All biomarkers](https://www.test-well.com/biomarkers) --- Medically reviewed by Youmna DiStefano, MD (Medical Reviewer, TestWell); last reviewed 2026-09-05. Review policy: https://www.test-well.com/reviewers/youmna-distefano-md Canonical page: https://www.test-well.com/biomarkers/ca-19-9 Machine-readable catalog: https://www.test-well.com/api/catalog.json · MCP server: https://www.test-well.com/mcp · Overview for agents: https://www.test-well.com/llms.txt Prices are cash-pay, in USD, and include physician authorization; every order adds one flat $6 lab processing fee. Educational content is not a diagnosis — discuss results with a clinician.