Definition of Diversion of Licit, Legally Prescribed Drugs
"'Drug diversion' is best defined as the diversion of licit drugs for illicit purposes. It involves the diversion of drugs from legal and medically necessary uses towards uses that are illegal and typically not medically authorized or necessary."
Source:
"Drug Diversion in the Medicaid Program: State Strategies for Reducing Prescription Drug Diversion in Medicaid," Centers for Medicare & Medicaid Services, Baltimore, MD: January 2012.