L3 Healthcare | 205 followers on LinkedIn. Clinical Research and Market Development | L3 Healthcare is a full-service contract research organization (CRO) and healthcare consulting firm focused on in vitro diagnostics (IVD) and medical devices. Clinical Research and Outcomes Studies L3 is a highly specialized CRO in IVD and medical devices for US FDA submissions. We help sponsors generate safety and efficacy data and support outcomes studies to quantify clinical value.