### Question
What is the definition of screening?


### Answer
The definition of **screening** is as follows in *42 U.S.C. § 290bb*:

> using validated patient interview techniques to identify and assess the existence and extent of alcohol use in a patient

#### Citation:
  - *42 U.S.C. § 290bb*
  - Heading: **CHAPTER 6A-PUBLIC HEALTH SERVICE > SUBCHAPTER III&ndash;A-SUBSTANCE ABUSE AND MENTAL HEALTH SERVICES ADMINISTRATION > Part B-Centers and Programs > subpart 2-center for substance abuse prevention**

