The ASAM Criteria (American Society of Addiction Medicine Criteria) provides a comprehensive set of standards for determining the appropriate level of care for individuals with addiction and co-occurring conditions. It guides clinicians in conducting a multidimensional assessment to understand a patient's needs, risks, and strengths, ultimately informing treatment planning and placement decisions. The ASAM Criteria is the most widely used and comprehensive set of standards for placement, continued service, and transfer of patients with addiction and co-occurring conditions.