MB Quest

Quest Diagnostics is a leading global provider of diagnostic information services, offering a vast array of clinical laboratory tests and related services. The company operates a massive network of laboratories and patient service centers, providing critical data for healthcare providers to diagnose, treat, and monitor various medical conditions. Quest specializes in advanced molecular biology, genomics, and oncology testing, often referred to internally or historically as MB Quest (Molecular Biology Quest). Their services span routine blood work to complex genetic sequencing, supporting clinical decision-making for millions of patients annually. Beyond diagnostics, Quest also provides clinical trial testing services and population health management tools.