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

MolePath #35 November 23, 2021 Spinal Muscular Atrophy (SMA) Diagnostic and Carrier Testing
Micro #203 November 22, 2021 Discontinuation of Fecal Lactoferrin testing
Immunology#10 November 16, 2021 IL-6 Testing
Core #179 November 10, 2021 Reference Range Changes to Serum and Urine Creatinine
Micro #202 November 3, 2021

Discontinuation of Norovirus PCR Test

Micro #201 October 28, 2021

Changes to Stool Comprehensive Ova and Parasite Exam

Core #178 October 28, 2021

Laboratory Changes in Total and Free Testosterone by LC-MS/MS

Core #177 October 7, 2021

Alpha-Fetoprotein Maternal Serum and Quad Screen to become send out tests as of October 11, 2021

Immunology #9 October 6, 2021

Double stranded DNA antibody testing update

Micro #200 September 8, 2021

Changes to Candida antimicrobial susceptibility testing

Core #176 September 3, 2021

Reference range changes to serum and urine creatinine

Molepath #34 July 28, 2021

TPMT/NUDT15 genotyping recommended for thiopurine treatment

Micro #199 July 23, 2021

Changes to Nocardia antimicrobial susceptibility testing

Core #175 July 21, 2021

Change in Heparin Induced Thrombocytopenia Testing

Core #174 June 28, 2021

Change in D-Dimer Reagent and Reference Range

Core #173 June 29, 2021

Major Changes to Laboratory Testing at UNC Medical Center

Core #172 June 29, 2021

Major Changes to Laboratory Core Chemistry Testing at UNC Medical Center

Core #171 June 28, 2021

Change from Serum to Lithium Heparin collection tubes for default chemistry
testing at UNC Medical Center

Core #170 June 21, 2021

Conversion of NTproBNP to BNP lab assay on July 13, 2021, at UNC Medical Center

Admin #87 June 7, 2021

Error in Female Reference Range for Plasma Creatinine

Core #169 May 18, 2021

Homocysteine testing will be sent to Rex until June 10th

HBR Lab #1 April 29, 2021

Change from Serum to Lithium Heparin Collection Tubes for Default Chemistry Testing at Hillsborough Hospital

Core #168 April 15, 2021

ESR Change in Methodology

Micro #198 March 11, 2021

Change in Antimicrobial Susceptibility Testing Methodology for Enterobacteriaceae

Immunology #7 February 8, 2021

SARS-CoV-2 IgG Antibody Testing

Micro #197 January 14, 2021

Discontinuation of Quantitative Wound and Duodenal Cultures

Micro #196 December 2, 2020

Updates to H. pylori culture

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

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

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