Laboratory BulletinsSpecimen Requirements and Information - Corewell Health Laboratory clients of Royal Oak, Troy, Grosse Pointe and Farmington Hills please visit this Laboratory Test Directory. Corewell Health Laboratory clients of Dearborn, Wayne, Trenton and Taylor please click on link to download Corewell Health Dearborn, Wayne, Trenton and Taylor Test Directory. Reporting Options - Please discuss the varied reporting options with your Corewell Health representative. They will work with you to choose your best option.Ordering Options – Please contact your Corewell Health representative, or contact Customer Service for Royal Oak, Troy, Grosse Pointe, & Farmington Hills at 800-551-0488, and Customer Service for Corewell Health Dearborn, Wayne, Trenton and Taylor at 800-245-3725. 2025 Bulletins Bone Marrow Culture Ordering and Collection July 30, 2025 CSF Specimens on Suspect Creutzfeldt-Jakob Disease (CJD) Patients July 14, 2025 Aldosterone & Renin Testing July 2, 2025 Device Recall: Bordetella pertussis/parapertussis PCR June 24, 2025 Updated Inpatient and Emergency Center Urinalysis Order and Collection June 4, 2025 Critical Value Cut-Offs for Arterial and Venous Cord Blood Gases May 15, 2025 Lactic Acid Updates May 5, 2025 Erythrocyte Sedimentation Rate (ESR) Stability Awareness April 28, 2025 Discontinuation of Lamellar Body Count Order (LBC) March 12, 2025 Pancreatic Elastase and H. pylori Antigen March 12, 2025 Gift of Life Michigan (GOLM) COVID Testing Update March 12, 2025 Sexually Transmitted Infections (STI) – Testing Update March 12, 2025 Hemoglobinopathy Evaluation Reference Range Changes February 24, 2025 Huma Papillomavirus (HPV)-Testing Update February 3, 2025 2019–2024 Bulletins2024 Bulletins 2023 Bulletins2022 Bulletins 2021 Bulletins2020 Bulletins2019 Bulletins