Results 1 - 1 of 1 for Methadone
  1. Opioid Testing: MedlinePlus Medical Test 
    ... opioids include: Oxycodone (OxyContin®) Hydrocodone (Vicodin®) Hydromorphone Oxymorphone Methadone Fentanyl. Drug dealers sometimes add fentanyl to heroin. ...
    https://medlineplus.gov/lab-tests/opioid-testing - Medical Tests