SAMHSA — TIP 63: Medications for Opioid Use Disorder, plus current MAT Act/buprenorphine guidance. Supports individualized behavioral services; counseling refusal or unavailability should not block buprenorphine treatment — samhsa.gov/resource/ebp/tip-63-medications-opioid-use-disorder
ASAM / AAAP — Clinical Practice Guideline on the Management of Stimulant Use Disorder. Central source for contingency management and other behavioral treatment options for methamphetamine/stimulant-use disorder — asam.org/quality-care/clinical-guidelines/stimulant-use-disorders