AFP Decrease Greater than or Equal to 20 Percent

**Semantic type:** Laboratory or Test Result

**Definition:** A finding indicating that the concentration of alpha-fetoprotein in a sample has decreased by at least 20 percent compared to the value recorded for a previous sample from the same subject.

**Synonyms:** - AFP Decline Greater than or Equal to Twenty Percent - AFP Decreased Greater than or Equal to 20 Percent - Alpha Fetoprotein Decrease Greater than or Equal to 20 Percent - Alpha-Fetoprotein Decrease Greater than or Equal to 20 Percent - Alpha-Fetoprotein Decrease Greater than or Equal to 20%