What is the primary purpose of the DSM-5 in relation to substance use disorders?

The primary purpose of the DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition) in relation to substance use disorders is to provide standardized criteria for diagnosing these disorders. This set of criteria allows mental health professionals to identify and classify different types of substance use disorders consistently.

By defining specific symptom patterns and thresholds for diagnosis, the DSM-5 improves the accuracy of diagnoses, enhances communication among practitioners, and aids in research by providing a common language for discussing substance use issues. This standardization is crucial in ensuring that patients receive appropriate care tailored to their specific needs.

The other options do not align with the DSM-5’s primary focus. While treatment plans and evaluating effectiveness are important in practice, they are not the main function of the DSM-5. Additionally, the DSM-5 is a clinical tool rather than a legal document, which emphasizes its role in mental health rather than in legal contexts.