Source: 2008 Drug Testing Advisory Board Minutes - SAMHSA
“Does it matter whether a substance is legal or illegal, therapeutic or not? Rather, isn't it the concern of whether or not it has impairing affects and hence creates an unacceptable safety risk?”
This program was established as a demand reduction for illegal drugs. It has nothing to do with impairment or safety risk at work in the context of therapeutic drugs.
Oral Fluid Drug Screening for Safety