Nearly 80 percent of individuals with an opioid use disorder do not receive treatment. MATx, SAMHSA’s free mobile app for health care practitioners supports medication-assisted treatment for opioid use. MATx leads you through the step-by-step process to become certified to prescribe buprenorphine. You can also learn about FDA-approved medications and access resources including treatment guidelines, ICD-10 coding, and recommendations for working with special populations. Easily locate buprenorphine practitioners and behavioral health treatment services and facilities. MATx empowers practitioners to provide effective, evidence-based care. Available in the Apple App Store® and Google Play™.