Principle Diagnostics Laboratory is a state-of-the-art laboratory founded in 2015 by an executive team with over 50 years of cumulative experience. PDL specializes in the testing of toxicology and wellness for all clientele. Licensed in over 40 states, we are the bridge connecting the gap between superb operational efficiency and personalized service. PDL tracks the truth in every sample to ensure all healthcare organizations can properly diagnose their patients. Over the years, with our open line of communication with our client community, we have learned and evolved to incorporate all laboratory disciplines to become a complete laboratory provider. With our focus spearheading our vision, we will become the leader in diagnostic service.