Laboratory Services Baystate Health offers walk-in services for patients requiring blood draws and other laboratory services. Our centers are staffed by skilled laboratory professionals who are committed to delivering an exceptional patient experience. Find a Laboratory Location We serve patients at laboratory service centers located throughout western Massachusetts, including Baystate Reference Laboratories. For more information, contact Baystate Reference Laboratories at 1-800-778-5599 or contact a laboratory location near you. Why Choose Baystate Laboratories Convenient locations throughout western Massachusetts No appointment necessary Most major insurance plans accepted Test Results We report test results to the requesting provider. Please contact your doctor's office directly to discuss lab results. Pay Your Bill We are pleased to offer convenient online bill pay. See a list of accepted insurance plans. About Baystate Reference Laboratories Baystate Reference Laboratories (BRL) is Baystate Health's clinical diagnostic laboratory service, providing state-of-the-art, convenient pathology testing and management services to physicians, hospitals, and other health care services throughout the region. Learn more about BRL's services for health care professionals.