Case Presentation: AS is 36-year-old woman with methamphetamine and opioid use disorder (OUD) hospitalized with endocarditis who is evaluated by the Addiction Consult Service (ACS), and started on sublingual Buprenorphine/naloxone (Bup/nx) for treatment of OUD. Urine drug screens continue to be inappropriately positive for methamphetamine inpatient. Extended Release Buprenorphine (Bup-XR) is discussed and with her [...]