Quest Diagnostics is a service provider of diagnostic information services that patients and doctors rely on to make better healthcare decisions. The company's services range from routine blood tests such as cholesterol panels, to complex genetic testing and molecular diagnostics. Quest Diagnostics is known for its commitment to quality and innovation, offering convenient patient access to diagnostic testing, through its extensive network of laboratories and patient service centers. The company also collaborates with healthcare providers, hospitals, and others to enhance the delivery of care.