Labcorp Specialty Labs DIANON Search Home / Resources / Patient Billing Patient Billing & Customer Service Clinical laboratory testing is a fundamental component of health care delivery. Labcorp pathology helps physicians provide exceptional patient care through our broad menu of laboratory tests. Our dedication to patients is evident in our quick turnaround of test results and the willingness of our pathologists to call physicians directly with results that are critical to patient care. Billing services are managed in a central location by Labcorp. Billing service representatives can be reached at 800-845-6167 (8 am to 7 pm, Eastern time). Pay Your Bill Payment Plans You should call billing customer service upon receipt of your first bill if you are interested in requesting a payment plan. Our representatives will take the first step in explaining the program to you. You will receive a statement of the payment plan schedule and the scheduled payment amounts until your balance is paid off. Patient Education Our parent Labcorp site includes patient education resources to help you learn more about lab tests that your doctor may have ordered. Patient Health Library Legal Menu Privacy Statement and Terms of Use Notice of Nondiscrimination Combatting Modern Slavery and Human Trafficking Statement © 2021 Laboratory Corporation of America® Holdings. All Rights Reserved.