Understand Your Test

Alpha-fetoprotein (AFP) Tumor Marker

Formal Name


Alpha-fetoprotein, Total; Alpha-fetoprotein-L3 Percent


Why Get Tested?

To help diagnose and monitor therapy for certain cancers of the livertesticles, or ovaries.

When To Get Tested?

When your healthcare practitioner suspects that you have certain cancers of the liver, testicles, or ovaries; at intervals during and after treatment for one of these cancers; sometimes when you have cancer-predisposing diseases such as chronic hepatitis or cirrhosis.