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Category
Cancer Screening Lab Tests
Cancer screening lab tests measure blood markers, such as PSA for prostate health, that are associated with cancer risk and help determine who benefits from closer follow-up. These markers do not diagnose cancer on their own; elevated results lead to repeat testing and imaging arranged with a doctor. This hub explains what each screening marker measures and its known limitations.

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Lab test panels
Breast Health Blood Tests: CA 15-3, CA 27.29 & CEA Markers
Blood-based markers associated with breast health, measured as numbers you can track over time with your clinician.
View panelCancer Tumor Marker Blood Tests: CA 125, CA 19-9 & More Panels
Sex-specific tumor marker panels and individual CA tests, ordered online and reviewed with your doctor.
View panelWomen's Cancer Screening Blood Tests: Tumor Marker Panels
Tumor marker blood panels for women, from a single CA 125 test to a 15-test surveillance profile.
View panelProstate & Testicular Cancer Screening Tests: PSA, AFP & hCG
Track PSA, AFP, hCG, and LDH, the key tumor markers for prostate and testicular health, with lab tests you can order online.
View panelCA 125, CA 19-9, CA 15-3 & CA 27.29 Tests: Order Online
Order single tumor marker tests online when you only need to track one number.
View panelTumor Marker Blood Tests: CA 125, CA 15-3, CEA & More
Single tumor marker tests you can order online, no bundle required.
View panelTesticular Cancer Tumor Marker Tests: AFP, hCG & LDH
AFP, hCG, and LDH, the three tumor markers used in testicular evaluations, available online as single tests or bundled men's panels.
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