Mosaic Diagnostics | 3,933 followers on LinkedIn. We are on a mission to transform health by addressing the root cause of complex, chronic disease. | At Mosaic Diagnostics, our mission is crystal clear: Reveal the complete picture. Empowering you to deliver personalized therapies for each patient’s unique challenge and environment. Mosaic Diagnostics is a research-based clinical laboratory offering testing for nutritional factors in chronic illnesses such as autism, AD(H)D, fibromyalgia, and gastrointestinal and neuropsychiatric disorders.