; and (2) not later than 2 years after the date of enactment of this Act, submit to Congress a report on the study conducted under paragraph (1). 5. Definition In this Act, the term test strip means a rapid response, single use diagnostic that can be used to detect the adulteration of a drug with, or the presence in a human specimen of, any substance that may lead to increased morbidity or mortality, such as fentanyl, xylazine, or another synthetic opioid or emerging substance.