P4 Diagnostix® is a network of nationally recognized testing and diagnostic facilities integrated into one unified lab services organization, offering clients unparalleled access to connectivity, healthcare resources and consultative partnerships. P4 is made up of these industry-leading companies: Theranostix, Long Island Pathology, Platinum Pathology, Metamark Laboratories and P4 Clinical. P4's progressive integration of diagnostic testing and office workflow is rooted in partnership with VitalAxis, an industry-leader in the delivery of healthcare informatics