Table 2.

Risk level determination

	Brief intervention (low/mid risk)	Comprehensive intervention (high risk)
Substance use frequency	Less than weekly use of cannabis, alcohol, nicotine	Weekly or more frequent use of any substance Past year repeated use of lethal substance (opioids, methamphetamine, benzodiazepines)
Problematic substance use	Minimal problems or consequences of use ≤ 2 DSM-5 SUD symptoms	History of overdose Report of experiencing withdrawal ≥ 3 DSM-5 SUD symptoms