Although there is no standardized guideline for medication-assisted treatment, there are four consistent components of MAT models of care: - Pharmacological therapy - Provider and community educational interventions - Coordination/integration of substance use disorder treatment as well as other medical/psychological needs - Psychosocial services/interventions However, there may be marked variability in the degree to which each of these components is addressed. There are two primary approaches: practice-based and systems-based. Practice-based models can be done in a standalone clinic; whereas systems-based models involve components that affect care throughout a network across multiple levels of the healthcare system.