What Constitutes a Valid Prescription? Understanding Prescription Requirements for Drug Testing
A valid prescription is a written, electronic, or verbal order issued by a licensed healthcare provider authorizing a patient to
Educational resources for employees on workplace drug policies, prevention programs, and safety awareness.
A valid prescription is a written, electronic, or verbal order issued by a licensed healthcare provider authorizing a patient to
Workplace drug screening follows a standardized chain-of-custody process designed to produce legally defensible results. Understanding how each step works (from
Updated: December 21, 2025 Many DOT-regulated employers assume they are audit-ready because they are enrolled in a drug and alcohol
Reasonable Suspicion Supervisor Training The Department of Transportation (DOT) has specific requirements for those supervisors who have been designated to
The FMCSA Clearinghouse has announced the launch of their new resource that provides a detailed outline of the Clearinghouse Return-to-Duty
Many people use the term opiate and opioid interchangeably, but is there a difference? The answer is yes. Quest Diagnostics