Guideline Writing Group. Systematic Review Group. Steering Committee on Practice Guidelines. APA Assembly Liaisons. Acronyms/Abbreviations. Introduction. Rationale. Guideline Statement Summary. Guideline Statements and Implementation. Statement 1: Assessment of Substance Use. Statement 2: Use of Quantitative Behavioral Measures. Statement 3: Use of Physiological Biomarkers. Statement 4: Assessment of Co-Occurring Conditions. Statement 5: Determination of Initial Treatment Goals. Statement 6: Discussion of Legal Obligations. Statement 7: Review of Risks to Self and Others. Statement 8: Evidence-Based Treatment Planning. Statement 9: Naltrexone or Acamprosate. Statement 10: Disulfiram. Statement 11: Topiramate or Gabapentin. Statement 12: Antidepressants. Statement 13: Benzodiazepines. Statement 14: Pharmacotherapy in Pregnant or Breastfeeding Women. Statement 15: Acamprosate in Severe Renal Impairment. Statement 16: Acamprosate in Mild to Moderate Renal Impairment. Statement 17: Naltrexone in Acute Hepatitis or Hepatic Failure. Statement 18: Naltrexone with Concomitant Opioid Use. Statement 19: Naltrexone for Co-Occurring Opioid Use Disorder. Disclosures. Individuals and Organizations That Submitted Comments. Glossary of Terms. References. Appendixes: Review of Research Evidence.