PSA Decline Greater than 90 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 more than 90 percent compared to the value recorded for a previous sample from that subject..

**Synonyms:** - PSA Decline Greater than Ninety Percent - PSA Decline More than 90 Percent - PSA Decline More than Ninety Percent - PSA Decreased Greater than 90 Percent - PSA Decreased Greater than Ninety Percent - PSA Decreased More than 90 Percent - PSA Decreased More than Ninety Percent