| Test | Conventional | SI | Threshold |
|---|---|---|---|
| Alpha-Fetoprotein (AFP) | < 10 (nonpregnant adult) ng/mL | < 10 µg/L | - |
| Beta-hCG (Tumor Marker) | < 5 (nonpregnant) mIU/mL | < 5 IU/L | - |
| CA 15-3 | < 30 U/mL | < 30 kU/L | - |
| CA 19-9 | < 37 U/mL | < 37 kU/L | - |
| CA-125 | < 35 U/mL | < 35 kU/L | - |
| Carcinoembryonic Antigen (CEA) | < 3.0 nonsmoker (< 5.0 smoker) ng/mL | < 3.0 µg/L | - |
| Prostate-Specific Antigen (PSA) | < 4.0 (age-dependent) ng/mL | < 4.0 µg/L | - |
Panel
Tumor Markers
PSA, CEA, CA-125, CA 19-9, AFP, and more - for monitoring, not screening (education only). 7 tests.
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Frequently asked questions
What tests are in a Tumor Markers?
The Tumor Markers on this page lists 7 tests: Alpha-Fetoprotein (AFP), Beta-hCG (Tumor Marker), CA 15-3, CA 19-9, CA-125, Carcinoembryonic Antigen (CEA), Prostate-Specific Antigen (PSA). Each is shown with its conventional and SI teaching reference range.
What does the Tumor Markers check for?
PSA, CEA, CA-125, CA 19-9, AFP, and more - for monitoring, not screening (education only). These are educational teaching values - ranges vary by laboratory and method, and are not for clinical decisions.