what is rpr for lab testing
What is a rapid plasma reagin (RPR) test? A rapid plasma reagin (RPR) test is a blood test used to screen you for syphilis. It works by detecting the nonspecific antibodies that your body produces to fight the infection. Syphilis is a sexually transmitted infection (STI), caused by the spirochete bacterium Treponema pallidum. It can be fatal if left untreated.