Important announcements regarding changes to test methodologies, reference ranges, CPT coding, new available assays or discontinued assays are reported to our clients weekly via MLabs Test Updates.  The following Test Update files, which contain information that is current when produced, may be printed for client use. However, information contained is subject to change over time. For more information or questions, please contact Customer Service at 800-862-7284.

Title Posted Date Effective Date Test Name CPT Code Update Type
Test Update 943 DELAYED TAT Test Down or Delayed
Test Update 942 Islet Cell Cytoplasmic Antibody, IgG 86341 Test Code Change
Test Update 942 Mannose Binding Lectin 83520 Test Code Change
Test Update 942 Myelin Basic Protein, CSF 83873 Test Code Change
Test Update 942 P/Q-Type Voltage-Gated Calcium Channel (VGCC) Antibody 86596 Test Code Change
Test Update 942 Phosphatidylserine and Prothrombin Ab IgG and IgM 86596 Test Code Change
Test Update 942 Retinol Biding Protein 83883 Test Code Change
Test Update 942 CMV Resistance: Letermovir 87910 New Tests
Test Update 942 CMV Resistance: Ganciclovir, Foscarnet, Cidofovir 87910 x2 New Tests
Test Update 942 CMV Resistance: Maribavir, Ganciclovir, Foscarnet, Cidofovir 87910 x3 New Tests
Test Update 941 IGH Somatic Hypermutation in B-CLL 81263 Miscellaneous
Test Update 940 NEW AND IMPROVED PATHOLOGY CONSULTATION SUBMISSION GUIDANCE Miscellaneous
Test Update 940 NGS-based Panels and Single Genes Test Methodology Changed
Test Update 940 Litholink 24 Hour Urine Specimen collection or handling and/or storage changed
Test Update 939 88377-TC Test Discontinued
Test Update 939 88377-TC Test Discontinued
Test Update 939 88377-TC Test Discontinued
Test Update 939 OBSOLETE ALK Rearrangement for NSCLC by FISH 88377-TC Test Discontinued
Test Update 938 Neuropathology Methylation Array 81524 CPT Code Change
Test Update 938 84238 Test Methodology Changed
Test Update 937 Chlamydia trachomatis Culture 87110, 87140 Replacement Test
Test Update 937 Lactoferrin Detection, Stool 83631 Replacement Test
Test Update 936 CPT Updates CPT Code Change
Test Update 936 Mycobacterium tuberculosis DNA by PCR 87556 Test Code Change
Test Update 936 Oxycodone and Metabolites, Serum G0480/80365 Test Code Change
Test Update 935 MICHIGAN MEDICINE PROOFPOINT SECURE EMAIL Important Notification
Test Update 935 Natural Killer Cell Functional Assay 86352, 86357 Test Resumed
Test Update 935 Oxycodone and Metabolites, Serum 80365/G0480 New Tests
Test Update 935 HLA LABORATORY NEW TEST CODES FOR DISCRETE RESULT REPORTING Test Code Change
Test Update 935 Prometheus IBD Precis 81599 New Tests