Test library
AFP Blood Test
The Alpha-Fetoprotein (AFP) Tumor Marker Test measures AFP levels in a blood sample. AFP is used as a tumor marker in liver cancer and is monitored in some other conditions, always alongside imaging and clinical evaluation.
Order Alpha-Fetoprotein (AFP) Tumor Marker Test
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Alpha-Fetoprotein (AFP) Tumor Marker Test- Typical turnaround
- 1-3 business days
- Starting price
- From $44
- Results
- Confidential, online
Quick answer
The Alpha-Fetoprotein (AFP) Tumor Marker Test is a blood test that measures the level of AFP, a protein normally produced during fetal development. In adults, elevated levels can be associated with certain liver tumors and other conditions, so AFP is used as one part of evaluation and monitoring rather than as a stand-alone diagnosis. Results are interpreted with imaging, medical history, and a qualified healthcare provider's assessment.
What this test measures
Alpha-fetoprotein is a protein produced mainly during fetal life, and adults normally have very low levels. Because some liver tumors produce AFP, the marker is used in clinical practice to support monitoring of people with known or suspected liver cancer. It is also used in other settings, including certain liver diseases and pregnancy-related evaluations.
The test requires a blood sample drawn from a vein. AFP is measured in serum and reported as a concentration. Levels can be influenced by many factors, and a single value is rarely enough to make decisions. Tracking changes over time is often more informative than any one measurement, which is why clinicians repeat the test as part of ongoing care.
AFP testing is requested for purposes such as monitoring treatment response, watching for recurrence after treatment, and supporting the evaluation of liver masses or chronic liver disease. It is not a screening test for the general population. A qualified healthcare provider can explain how the result fits into a broader assessment.
- Alpha-fetoprotein (AFP)
- AFP serum concentration
- Alanine aminotransferase (ALT) when ordered with a liver panel
- Aspartate aminotransferase (AST) when ordered with a liver panel
- Total bilirubin when ordered with a liver panel
- Albumin when ordered with a liver panel
Why people order this test
- Support monitoring of a known liver tumor
- Help evaluate a suspicious liver mass alongside imaging
- Track response to treatment over time
- Watch for recurrence after treatment
- Provide additional information in chronic liver disease
- Part of a broader tumor marker assessment
How to prepare
No fasting is usually required, though the laboratory may ask you to fast if other tests are ordered at the same time. A standard blood draw is used, and no special timing applies. Follow the instructions provided by your ordering provider.
Understanding your results
Results are typically available within one to three business days. The report shows the AFP concentration, which is interpreted in relation to reference ranges, imaging, and the reason for testing. A qualified healthcare provider can explain what the value means for your situation.
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Frequently Asked Questions
What is AFP?
Alpha-fetoprotein is a protein normally produced during fetal development. Small amounts may be present in adults, and higher levels can occur in some liver tumors or liver conditions.
Is AFP testing a cancer screening test?
In general, AFP is not used to screen people without symptoms or risk factors. It is used mainly to support evaluation and monitoring in specific clinical situations.
Can a normal AFP level rule out liver cancer?
No. Normal levels do not exclude disease, and elevated levels do not confirm it. AFP is interpreted together with imaging and other findings.
Why is AFP measured more than once?
Because changes over time are often more informative than a single value, AFP is frequently repeated during monitoring or treatment.
Does AFP testing require fasting?
Usually not. If other blood tests are ordered at the same time, the laboratory may ask you to fast for those tests.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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