Recent Numbered Memos

Significant changes pertaining to test performance or availability, or to administrative functions within the McLendon Clinical Laboratories and the Department of Pathology and Laboratory Medicine are announced via departmental Numbered Memos which are distributed throughout the Hospitals and Health Care System.

These memos will also be made available at this site in Portable Document Format (.pdf files).

Core #230	January 7, 2026	Update to everolimus reference interval
Core #229	January 7, 2026	Discontinuation of random "spot" urine monoclonal gammopathy testing
Referral Testing #4	January 6, 2026	Test Obsolete: Metanephrines, Fractionated, Random Urine, Mayo
Immunology #32	December 17, 2025	Toxoplasma IgM and IgG antibody testing
Referral Testing #2	December 15, 2025	Testing Resumes: Natural Killer (NK) Cell Function
Molecular Genetics #43	December 12, 2025	Test Down-SPINAL MUSCULAR ATROPHY (SMN 1/2) DNA ASSAY (LAB11165A)
Immunology #31	December 1, 2025	ANA and ANCA IFA Testing
Micro #253	November 21, 2025	Rapid Testing on Positive Blood Cultures for Yeast
Coag #33	November 18, 2025	Anti-Cardiolipin and Anti-Beta₂Glycoprotein 1 Antibodies Testing Methodology Change
Molecular #42	November 5, 2025	New Test: KIT p.D816V Mutation analysis
Core #228	October 24, 2025	Standardization of Ferritin Reference range and Iron Deficiency Agile Pathway
Referral Testing #1	October 21, 2025	Temporary unavailability of the NK Cell Function Assay provided by Cincinnati Children's CBCI Clinical Laboratories
Immunology #30	October 9, 2025	Immunology Laboratory IFA Testing
Core #227	September 18, 2025	Temporary suspension of TPO Antibody Testing
Micro #252	September 17, 2025	Gastrointestinal Pathogen Panel Collection Update: Fecal Swab Transport System
Admin #93	September 16, 2025	Change in Directorship of Cytogenetics Laboratory
Micro #251	September 9, 2025	Laboratory Diagnosis of C. difficile Infection-CHANGES IN TESTING
Anatomic Path #21	August 19, 2025	Muscle Biopsy Submission Procedure
Core #226	August 15, 2025	Updated formulation of TSH reagent with modified lower limit
Admin #92	August 8, 2025	Change in Directorship of Quality Management Services
Anatomic Path #20	July 21, 2025	Change in Add-On Testing for Pathology orders
Core #225	July 18, 2025	Interruption in Serum and Urine Protein Electrophoresis and Immunofixation
Micro #250	July 16, 2025	Change in Antimicrobial Susceptibility Testing Methodology for Staphylococcus and Enterococcus spp.
Molecular #41	July 11, 2025	BRAF Somatic Mutation Testing-Hematologic Malignancies
Micro #249	July 11, 2025	New Measles PCR test
Core #224	June 30, 2025	Changes to Serum Free Light Chain Testing
Immunology #29	June 25, 2025	ANA Testing In-house
Micro #248	June 20, 2025	Update to PCR test for Methicillin Resistant Staphylococcus aureus (MRSA) screening

For listings of McLendon Clinical Laboratories & Department of Pathology and Laboratory Medicine numbered memos see Numbered Memo Archive. For Numbered Memos prior to January 1, 2008 - contact McLendon Clinical Laboratories Administration Office

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514