PSA Decline Greater than or Equal to 80 Percent

**Semantic type:** Laboratory or Test Result

**Definition:** A finding indicating that the blood concentration of prostate specific antigen in a subject's sample has decreased by at least 80 percent compared to the value recorded for a previous sample from that subject.

**Synonyms:** - PSA Decline 80 Percent or Greater - PSA Decline 80 Percent or More - PSA Decline Eighty Percent or Greater - PSA Decline Eighty Percent or More - PSA Decline Greater than or Equal to Eighty Percent - PSA Decrease 80 Percent or More - PSA Decrease Greater than or Equal to 80 Percent - PSA Decrease Greater than or Equal to Eighty Percent - PSA Decreased 80 Percent or More