Laboratory Bulletins
2025 Bulletins
- New MRSA PCR Test Order - September 3, 2025 (PDF)
- Bone Marrow Culture Ordering and Collection - July 30, 2025 (PDF)
- PD-L1 22C3 Immunohistochemistry (Lab Only) - July 30, 2025 (PDF)
- Hematology Resulting Updates - July 30, 2025 (PDF)
- CSF Specimens on Suspect Creutzfeldt-Jakob Disease (CJD) Patients - July 14, 2025 (PDF)
- Aldosterone & Renin Testing - July 2, 2025 (PDF)
- Device Recall: Bordetella pertussis/parapertussis PCR - June 24, 2025 (PDF)
- Updated Inpatient and Emergency Center Urinalysis Order and Collection - June 4, 2025 (PDF)
- Critical Value Cut-Offs for Arterial and Venous Cord Blood Gases - May 15, 2025 (PDF)
- Lactic Acid Updates - May 5, 2025 (PDF)
- Erythrocyte Sedimentation Rate (ESR) Stability Awareness - April 28, 2025 (PDF)
- Discontinuation of Lamellar Body Count Order (LBC) - March 12, 2025 (PDF)
- Pancreatic Elastase and H. pylori Antigen - March 12, 2025 (PDF)
- Gift of Life Michigan (GOLM) COVID Testing Update - March 12, 2025 (PDF)
- Sexually Transmitted Infections (STI) – Testing Update - March 12, 2025 (PDF)
- Hemoglobinopathy Evaluation Reference Range Changes - February 24, 2025 (PDF)
- Huma Papillomavirus (HPV)-Testing Update - February 3, 2025 (PDF)
2024 Bulletins
- Glucose Reference Range Change - January 9, 2024 (PDF)
- Bio‐Rad BioPlex Go‐Live (Autoimmune & Infectious Disease Antibody Testing) - February 6, 2024 (PDF)
- Solid Tumor 15 Genes Panel by NGS - February 6, 2024 (PDF)
- Corewell Health in Southeast Michigan Laboratory Microbiology Consolidation - March 1, 2024 (PDF)
- Reflex Mismatch Repair (MMR) Immunohistochemistry for New Diagnosis of Rectal Cancer - March 11, 2024 (PDF)
- Change to 5-Fluorocytosine Therapeutic Range - March 12, 2024 (PDF)
- BioPlex Epstein Barr Virus Antibody Testing - April 2, 2024 (PDF)
- Conventional Pap Smear Discontinuation - May 1, 2024 (PDF)
- Group A Strep, NAA and Staph Aureus/MRSA PCR Collection Device Change - June 3, 2024 (PDF)
- Discontinuation of Rapid Intrapartum Group B Strep Testing - June 3, 2024 (PDF)
- Blood Gas Panels Update - June 11, 2024 (PDF)
- Outreach Testing Optimization – Specimen Retention Update - June 17, 2024 (PDF)
- Chemistry Assays Update - July 21, 2024 (PDF)
- Discontinuation of Certain Prenatal Screening Tests at Corewell Health in Southeast Michigan - July 21, 2024 (PDF)
- Discontinuation of Respiratory Pathogen Panel Testing for Outpatients - August 29, 2024 (PDF)
- Lipid & Vitamin D Autocancel Policy for Medicare Patients - September 19, 2024 (PDF)
- Bone Marrow Culture Collection - October 24, 2024 (PDF)
- Updates to the Respiratory Pathogen Panel Test - October 28, 2024 (PDF)
- Discontinuation of ACE Genotyping for Coronary Risk Assessment - November 4, 2024 (PDF)
- PTH/Calcium Update - November 6, 2024 (PDF)
- Improved Molecular Vaginitis Screen - December 4, 2024 (PDF)
2023 Bulletins
- Tissue Transglutaminase IgA Testing - February 6, 2023 (PDF)
- Serum Monoclonal Gammopathy Evaluation - March 7, 2023 (PDF)
- New Reference Range Hexagonal Phase Phospholipid - March 7, 2023 (PDF)
- Neuro-oncologic NGS Panel - April 27, 2023 (PDF)
- Send Out Testing Update - May 1, 2023 (PDF)
- Monkeypox (Orthopoxvirus) DNA by PCR - May 2, 2023 (PDF)
- Parasite Testing moving to ARUP Laboratory New Stool Collection Device - May 8, 2023 (PDF)
- Urine Bilirubin Confirmation Discontinuation - May 16, 2023 (PDF)
- Gram Stain Testing - May 31, 2023 (PDF)
- Respiratory Virus Test Orders - July 11, 2023 (PDF)
- Advanced Beneficiary Notice (ABN) Use Expanding - July 18, 2023 (PDF)
- High Sensitivity Troponin Education - September 11, 2023 (PDF)
- N Terminal Telopeptide, Serum and N Terminal Telopeptide, Urine - September 11, 2023 (PDF)
- FLT3 Mutation Analysis -September 12, 2023 (PDF)
- High Sensitivity Troponin I - September 12, 2023 (PDF)
- Fibrinogen Reference Range - September 12, 2023 (PDF)
- High Sensitivity Troponin I Order Set Updates - September 13, 2023 (PDF)
- PSA Test Change (Prostate Specific Antigen) - October 2, 2023 (PDF)
- Trichomonas Collection Device Update - October 24, 2023 (PDF)
- White Blood Cell Count Less than 0.4 bil/L - October 30, 2023 (PDF)
- Update of HIV 1/2 Testing Algorithm - November 7, 2023 (PDF)
- PSA (Prostate Specific Antigen) Test Change - November 15, 2023 (PDF)
- Urinalysis Test Change - December 18, 2023 (PDF)
2022 Bulletins
- Syphilis Testing, Reverse Algorithm - January 11, 2022 (PDF)
- Hyperhomocysteinemia Genotyping for Thrombotic Risk Assessment (MTHFR) - Discontinued - January 24, 2022 (PDF)
- Thrombotic Risk Assessment Genotyping and Methodology Change - January 31, 2022 (PDF)
- Microalbumin name change to Albumin, Urine - February 8, 2022 (PDF)
- Specimen Collection Requirements for Uric Acid Rasburicase - February 28, 2022 (PDF)
- Rapid Blood Culture Identification - March 1, 2022 (PDF)
- New Hepatitis C Virus Reflex Testing Algorithm - March 1, 2022 (PDF)
- Viral Load Testing (CMV HBV HCV and HIV) v2 - March 14, 2022 (PDF)
- Cutoff Change for Cortrosyn Stimulation Test - March 15, 2022 (PDF)
- Fibrin Split Products Collection Tube Shortage - March 31, 2022 (PDF)
- New Cystatin C Assay - April 5, 2022 (PDF)
- Plasma Separator Tube Supply Shortage Inpatient/Emergency Only - April 18, 2022 (PDF)
- New Estimated GFR Equation - May 8, 2022 (PDF)
- 2022-06-07 SARS-CoV-2 (Covid-19) by NAA MICRO – Reinstated Bulletin - June 7, 2022 (PDF)
- QFTB Gold Specimen Collection - June 20, 2022 (PDF)
- New Reference Range dRVVT - July 1, 2022 (PDF)
- Update to Source Exposure Testing - July 12, 2022 (PDF)
- Ova and Parasite Antigen Screen - July 12, 2022 (PDF)
- Body Fluid Cell Count Reporting Change – Test Update - July 12, 2022 (PDF)
- COVID-19, Flu, RSV by NAA & SARS-COV-2 (COVID-19) and Influenza AB by Nucleic Acid Amplification POC—Discontinued - July 19, 2022 (PDF)
- Ova and Parasite Test Discontinuation - August 2, 2022 (PDF)
- Electrolytes and Osmolality Profile, Fecal - August 2, 2022 (PDF)
- Body Fluid Assays - August 2, 2022 (PDF)
- Specimen Collection Requirements for Pleural Fluid pH - August 2, 2022 (PDF)
- Monkeypox New Test - August 3, 2022 (PDF)
- Urine Acetaminophen and Salicylates Discontinuation - August 25, 2022 (PDF)
- Fibrin Split Products Collection Tube Shortage – Resolved - August 25, 2022 (PDF)
- Monkeypox (Orthopoxvirus) DNA by PCR - September 6, 2022 (PDF)
- New Heparin Therapeutic Ranges for VTE / Acute Thrombosis and A-fib / Valves - September 13, 2022 (PDF)
- COVID-19, Flu, RSV by NAA & SARS-COV-2 (COVID-19)—Reinstated - September 29, 2022 (PDF)
- Plasma Separator Tube Supply Available Inpatient/Emergency Only - October 11, 2022 (PDF)
- DEARBORN ONLY: Total Hemoglobin and Oxyhemoglobin in Whole Blood, Point of Care, Cath Lab - October 17, 2022 (PDF)
- Serum Free Light Chains – New Method - November 1, 2022 (PDF)
- Testosterone Testing Update - November 1, 2022 (PDF)
- New Blood Culture Bottles - November 8, 2022 (PDF)
- Reflex Urine Drug Screen Confirmations Discontinuation - December 6, 2022 (PDF)
- Abbott i-STAT Troponin Assay Point of Care, Emergency Centers - December 14, 2022 (PDF)
- Hematology-Delay in Results 12/15/2022 - December 15, 2022 (PDF)
- NGS Sarcoma Fusion Panel - December 20, 2022 (PDF)
2021 Bulletins
- SARS-CoV-2 (COVID-19) by NAA, MICRO Discontinued - December 17, 2021 (PDF)
- SARS-CoV-2 & Influenza AB by NAA, Routine - December 14, 2021 (PDF)
- Breath Methane to be reported with Breath Hydrogen - December 7, 2021 (PDF)
- Maternal Serum Screening Report-Addition of ONTD Risk and Report Delivery Changes - December 6, 2021 (PDF)
- Maternal Serum Screening Report South Lab - December 6, 2021 (PDF)
- Combined SARS-CoV-2 + Influenza A/B NAA POC - November 29, 2021 (PDF)
- Prevent Hemolysis - November 10, 2021 (PDF)
- Prevent Clotting - November 10, 2021 (PDF)
- Preventing QNS - November 10, 2021 (PDF)
- SARS-CoV-2 Flu A/B POC NAA - October 26, 2021 (PDF)
- Benzodiazepines and Phencyclidine (PCP) Cutoff Change - October 19, 2021 (PDF)
- Discontinued PNA FISH Assay for Positive Blood Cultures - October 14, 2021 (PDF)
- SARS-CoV-2 Sample Pooling - October 11, 2021 (PDF)
- Respiratory Virus Panel by PCR 10-11-2021 - October 11, 2021 (PDF)
- Trichomonas by PCR: Testing Update #4 - October 8, 2021 (PDF)
- Testosterone Testing Update - September 14, 2021 (PDF)
- SARS-CoV-2 IgG Testing Update (Abbott Anti-Spike) - September 7, 2021 (PDF)
- Stool Collection Device Shortage - August 18, 2021 (PDF)
- Blood Culture Delays (Royal Oak) - August 18, 2021 (PDF)
- Hematopathology Subspecialty Consolidation - August 15, 2021 (PDF)
- 21st Century Cures Act Delayed Release of Results - August 15, 2021 (PDF)
- Ethylene Glycol - August 11, 2021 (PDF)
- Plasma Hemoglobin Reference Range Change - July 26, 2021 (PDF)
- Cystic Fibrosis and Spinal Muscular Atrophy (SMA) - July 6, 2021 (PDF)
- Green-top (lithium heparin additive) Microtainer® with Plasma Separator - July 1, 2021 (PDF)
- ER/PR Receptor Studies – Analysis Change - June 28, 2021 (PDF)
- SARS-CoV-2 Rapid Test Changes - June 22, 2021 (PDF)
- Influenza AB and RSV - June 21, 2021 (PDF)
- Band Numbers on Transfusion Specimens - June 18, 2021 (PDF)
- Post Vasectomy Testing, Troy - June 16, 2021 (PDF)
- Duplicate Type and Screen BPA in EPIC - June 8, 2021 (PDF)
- Hematology Pathologist Consult - June 2, 2021 (PDF)
- Patient Identity and Specimen Labeling - May 21, 2021 (PDF)
- Psoralen Treated Platelets - May 13, 2021 (PDF)
- DMT Guidelines with NGS - May 11, 2021 (PDF)
- Urine Cup for Drugs of Abuse - May 5, 2021 (PDF)
- Drugs of Abuse Panel with and without Confirmation and Comprehensive Drug Analysis - April 27, 2021 (PDF)
- Combined SAR-CoV-2 and Flu A B Antigens Test, Point of Care, Emergency Centers - April 20, 2021 (PDF)
- Immunoglobulin M Reference Range Change - April 19, 2021 (PDF)
- Trisomy 18 Risk on Serum Maternal Screens - April 19, 2021 (PDF)
- The Drugs of Abuse Panel (DAU) Changes - April 14, 2021 (PDF)
- Dilute Russell Viper Venom Test (dRVVT) - April 13, 2021 (PDF)
- Lactic Acid Reflex Change in Ordering and Redraws - April 11, 2021 (PDF)
- EPIC Beaker–Inpatient Phlebotomy Sweeps - April 11, 2021 (PDF)
- Microbiology Testing Update - April 11, 2021 (PDF)
- Respiratory Virus Panel by PCR 3-22-21 - March 22, 2021 (PDF)
- SARS-CoV-2 IgG Antibody Testing Update - March 19, 2021 (PDF)
- Trichomonas by PCR Testing Update - March 15, 2021 (PDF)
- EPIC Beaker LIS Implementation 3-11-2020 - March 11, 2021 (PDF)
- Blood Bank Reagents - February 26, 2021 (PDF)
- Microbiology Culture Changes (Southside) - February 8, 2021 (PDF)
- Calcium and HIV Updates - February 4, 2021 (PDF)
- Culture, Pre-Prostate Screen Update - January 25, 2021 (PDF)
- Swab and Media Shortages (Updated) - January 6, 2021 (PDF)
2020 Bulletins
- Blood Collection Tubes - December 7, 2020 (PDF)
- SARS-CoV-2 Antigen Test, Point of Care, Emergency Centers - November 23, 2020 (PDF)
- SARS-CoV-2/Flu/RSV Four-In-One Test - November 16, 2020 (PDF)
- Trichomonas by PCR Testing Update 10-28-2020 - October 28, 2020 (PDF)
- Swab and Media Shortages - October 1, 2020 (PDF)
- Updated DMT Guidelines - October 1, 2020 (PDF)
- Lactic Acid Reference Range Change - September 22, 2020 (PDF)
- Chlamydia trachomatis and Neisseria gonorrhoeae Detection by Nucleic Acid Amplification - September 17, 2020 (PDF)
- Change in Normal Range for aPTT - September 15, 2020 (PDF)
- Epic Beaker LIS Implementation 9-4-2020 - September 4, 2020 (PDF)
- Tumor Type-Specific & Large Pan-Cancer Panels by NGS - September 1, 2020 (PDF)
- Measles IgG Lab Bulletin - September 1, 2020 (PDF)
- Delays in Outpatient Urine Cultures - August 24, 2020 (PDF)
- TRA Genotyping Temporarily Suspended - July 20, 2020 (PDF)
- Fentanyl & Oxycodone Drugs Abuse Panel - July 7, 2020 (PDF)
- Discard of Automated Chemistry Serum-Plasma Inpatient Samples - June 9, 2020 (PDF)
- Trichomonas by PCR, Testing Update 5-22-2020 - May 22, 2020 (PDF)
- DRVVT New Ranges - April 1, 2020 (PDF)
- Male Testosterone Reference Range Change - March 9, 2020 (PDF)
- Serum Creatinine - Method & Reference Range Change for Pediatrics - February 25, 2020 (PDF)
- Istat Cartridge Recall - January 17, 2020 (PDF)
- Point of Care Glucose Critical Values - January 14, 2020 (PDF)
- 2+ Hour Glucose Tolerance Testing - January 8, 2020 (PDF)
- Chronic Lymphocytic Leukemia Gene Expression & IgVH Mutational Status Testing Update GIGHV - January 7, 2020 (PDF)
2019 Bulletins
- C-NG Throat Rectum Testing Update - December 18, 2019 (PDF)
- D-Dimer Fibrinogen Bulletin OHS - December 10, 2019 (PDF)
- Cytogenetic/Molecular Follow-Up Testing of Hematopoietic Malignancy - October 23, 2019 (PDF)
- Soluble Transferrin Receptor - April 2, 2019 (PDF)
- Calcium CO2 Ref Ranges - March 19, 2019 (PDF)
- Estradiol Assay-Mifepristone - March 8, 2019 (PDF)
- CK-MB discontinued - March 5, 2019 (PDF)
- 2019 Annual Physician Notice-Approved - February 11, 2019 (PDF)
- Pseudocholinesterase Testing Update - February 5, 2019 (PDF)
- GP ONLY-Critical Values CO2-Creatinine - February 4, 2019 (PDF)
- Hip Knee Cultures - January 10, 2019 (PDF)
- OTR ONLY discontinued urine cups - January 1, 2019 (PDF)