The CDC Opioid Prescribing Guideline Mobile Application (App) serves as a quick reference guide for healthcare professionals to help apply the recommendations of the CDC Guideline for Prescribing Opioids for Chronic Pain in clinical practice. The tool is intended to educate providers about the prescription opioid overdose epidemic and to inform clinical decision-making related to initiation, titration, and dosage safety when prescribing opioids.