AFP Test (Alpha-Fetoprotein)
A blood test used to monitor people at risk of liver cancer and in some pregnancy screening.
Quick Summary
To help detect liver cancer in people with cirrhosis or hepatitis B, and in some testicular cancers.
Alpha-fetoprotein level.
No preparation needed.
Overview
AFP is usually combined with ultrasound in liver cancer surveillance.
In pregnancy, AFP is part of some screening tests.
What It Measures
AFP
Blood level.
How It's Performed
- 01
Preparation
Usually no special preparation. Tell the staff about medicines you take.
- 02
Blood sample
A small amount of blood is taken from a vein in your arm with a thin needle.
- 03
Afterwards
Press on the spot for a minute. A small bruise is common; you can go back to normal activities.
Reference Ranges
Note: Normal ranges vary by laboratory. Consult your report for the specific reference used.
| Parameter | Typical Range (Adult) | Units |
|---|---|---|
| AFP (adults, non-pregnant) | Below 10 | ng/mL |
Interpreting Results & Next Steps
Discuss with Doctor
Normal ranges differ between laboratories, ages and sexes; always use the range printed on your report and ask your doctor what your results mean.
If values are High:
Raised levels can occur with liver cancer, some testicular cancers and liver inflammation.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Alpha Fetoprotein (AFP) Tumor Marker Test(opens in a new tab) · MedlinePlus, US National Library of Medicine