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Test Updates
Laboratory Test Updates
Call Client Services 804-828-PATH (828-7284); 1-800-363-9234

2013
March 13, 2013
Molecular Diagnostics Laboratory
Memo: HIV-1 Genotyping Guidelines 
2012
November 7, 2012
Molecular Diagnostics Laboratory
Memo: New Test - NPM1 Mutation Quant Blood 
Memo: New Test - PML-RARA Translocation Quant Blood 
September 18, 2012
Hematology Laboratory
Memo: Proper Collection for Plasma Based Coag Test 
August 31, 2012
Molecular Diagnostics Laboratory
Memo: IS BCR ABL Conversion 
August 21, 2012
Molecular Diagnostics Laboratory
Memo: IL28B Polymorphism Genotyping 
June 21, 2012
Molecular Diagnostics Laboratory
Memo: EBV DNA Qual, CSF 
March 20, 2012
Molecular Diagnostics Laboratory Update
BRAF Mutation Analysis 
March 19, 2012
Chemistry Laboratory Update
HCV RIBA Testing Suspended 
February 29, 2012
Microbiology Laboratory Update
Detection of Influenza and RSV 
January 23, 2012
Microbiology Laboratory Update
Direct Detection of Enterovirus in CSF 
January 20, 2012
Microbiology Laboratory Update
UA with Reflex Culture Memo 
January 10, 2012
Molecular Diagnostics Laboratory Test Update
Fragile X Syndrome DNA Analysis - change methodology 
2011
December 12, 2011
Microbiology Laboratory Test Update
Flu and RSV
December 1, 2011
Molecular Diagnostics Laboratory Test Update
Memo: Change in HCV Quant Result Reporting 
September 19, 2011
Microbiologoy/Immunology Laboratory Update
C. Difficile Toxin - testing begins 9/19/11 
August 5, 2011
Hemostasis Laboratory Update
Letter: Change in Performance of PFA-100 Assay 
March 31, 2011
Molecular Diagnostics Laboratory Test Update
EGFR Mutation Analysis 
March 9, 2011
Cytopathology Laboratory Test Update
New Recommendation for Negative PAP Specimens 
February 24, 2011
Molecular Diagnostics Laboratory Test Update
New Version Hepatitis B (HBV) Quantitative Test 
February 16, 2011
Chemistry Laboratory Update
Method Change for Estradiol 
2010
December 14, 2010
Molecular Diagnostics Laboratory Test Updates
Method Change for Hepatitis C Virus (HCV) Genotyping 
Amplichip CYP450 Genotyping Test 
September 28, 2010
Molecular Diagnostics Laboratory Test Update
Memo: KRAS Mutation Detection by Direct Sequencing 
May 4, 2010
Microbiology Laboratory Test Update
Memo: Influenza A&B Viruses 
March 25, 2010
Molecular Diagnostics Laboratory Test Update
Memo: Engraftment Orderable 
March 5, 2010
Molecular Diagnostics Laboratory Test Update
Memo: BCR-ABL 
February 4, 2010
VCUHS Clinical Chemistry Laboratory Update
New Vitamin D Assay Launched 
2009
December 3, 2009
Toxicology Laboratory Test Update
Levetiracetam (Keppra) Testing Change (pdf)
November 30, 2009
Molecular Diagnostics Laboratory Test Update
Changes to Factor V Leiden, Prothrombin Mutation and Beta 2 Adrenergic Receptor Genotyping in Cerner (pdf)
November 16, 2009
Molecular Diagnostics Laboratory Test Update
Memo: HBV DNA Quantitative - Measurable Range (pdf)
Molecular Diagnostics Laboratory Test Update
Memo: HCV RNA Quantitative-New version test for in vitro diagnostic use (IVD) - FDA approved (pdf)
September 4, 2009
Influenza Update
Same Day INFLUENZA Testing and Services (pdf)
February 25, 2009
Hemostasis Laboratory Update
Memo: Changes in Coagulation Assays (pdf)
January 9, 2009
Laboratory Critical Values Update
Critical Values (pdf)
2008
December 12, 2008
Molecular Diagnostics Laboratory Test Update
Memo: Hepatitis B and C Viral Load Sample Volume and Tube Change (pdf)
November 25, 2008
Immunology Test Updates
Hepatitis A Antibody, IgM (pdf)
Hepatitis A Total Antibody (pdf)
Hepatitis B Core Antibody, IgM (pdf)
Hepatitis B Core Antibody, Total (pdf)
Hepatitis B Surface Antibody (pdf)
Hepatitis B Surface Antigen (pdf)
Hepatitis C Antibody (pdf)
HIV-1, HIV-2 Antibody (pdf)
November 20, 2008
Microbiology Test Update
Memo: Detection of Human Metapneumovirus in Respiratory Specimens (pdf)
November 18, 2008
VCUHS Clinical Laboratory Update
Memo: Use of Microtainer Tubes For Specimen Collection (pdf)
Microbiology Test Update
Memo: Testing for Influenza A, Influenza B, and RSV (pdf)
October 7, 2008
Microbiology Laboratory Test Updates
Cryptosporidium by FA (pdf)
Availability update
Giardia by FA (pdf)
Availability update
MRSA Screen by DNA Amplification (pdf)
Availability update
Ova and Parasites (pdf)
Availability, Specimen, Special Instructions Updates
September 10, 2008
Microbiology Test Update
Memo: Change in parasitology ordering on stool specimen (pdf)
April 7, 2008
Molecular Diagnostics Test Update
Human Immunodeficiency Virus-1, Quantitative by PCR (pdf)
March 26, 2008
Coagulation Laboratory Test Update
Memo: Discontinuation of Bleeding Time Test (pdf)
Molecular Diagnostics Test Update
Memo: Quantitative HIV by PCR (pdf)
February 28, 2008
New Monograph - Molecular Diagnostics
T-Cell Engraftment Follow-up (pdf)
February 5, 2008
Hematology Laboratory Test Update
Updated Hematology Test Table
January 21, 2008
Molecular Diagnostics Test Requirements Table
Updated Table of Molecular Diagnostics Services
Microbiology Laboratory Testing updates
Influenza A and B Direct Testing (pdf) (revised 1-25-08)
Replaces Influenza A and B Antigen
Respiratory Syncytial Virus (RSV) Direct Testing (pdf) (revised 1-25-08)
Replaces Respiratory Syncytial Virus (RSV) Antigen
2007
October 31, 2007
Microbiology Laboratory Test Updates
Shiga Toxin Antigen (pdf)
Removed Stool Culture, E. coli 0157 from Related Information
Stool Culture (pdf)
See pdf for multiple updates
Stool Culture, E. coli 0157
Test no longer available: effective Oct. 31, 2007
October 5, 2007
New Monograph - Immunology
Allergen Specific IgE
September 27, 2007
Molecular Diagnostics Test Requirements Table
Updated Table of Molecular Diagnostic Services
September 14, 2007
Hematology Laboratory Test Update
New Reference Range for D-Dimer (pdf)
August 27, 2007
New Molecular Diagnostics Testing
Memo: Warfarin Genotyping (CYP2C9 and VKORC1) (pdf)
New Monograph
Warfarin Genotyping (pdf)
June 18, 2007
New Molecular Diagnostics Testing
Memo: JAK2 V617F Mutation Testing for Chronic Myeloproliferative Disorders (pdf)
New Monograph
JAK2 Mutation Analysis (pdf)
June 13, 2007
CPT Codes Update
Alpha 1- Fetoprotein, Tumor Marker
CPT 82105 replaces CPT 82150 listed in the 2006 Directory of Laboratory Services
Hepatic Function A Chemistry Panel
CPT 80076 replaces CPT 80058 listed in the 2006 Directory of Laboratory Services
June 12, 2007
Laboratory Critical Values Update
Critical Values (pdf)
Removed CMV by PCR
April 16, 2007
Laboratory Critical Values Update
Critical Values (pdf)
Added Molecular Diagnostics critical values
March 12, 2007
Laboratory Critical Values Update
Critical Values (pdf)
Updated Immunology and Microbiology sections
March 9, 2007
Laboratory Critical Values Update
Critical Values (pdf)
Deleted other body fluids under Body Fluid section
Updated Coagulation reference ranges for APTT and fibrinogen
Updated Hematology section
February 27, 2007
Hematology Laboratory Test Update
New Reference Ranges for Coagulation (pdf)
February 23, 2007
Molecular Diagnostics Laboratory Test Update
Human Immunodeficiency Virus-1, Quantitative by PCR (pdf)
Storage Instructions Update
Ultrasensitive Human Immunodeficiency Virus-1, Quantitative by RT-PCR (pdf)
Storage Instructions Update
February 5, 2007
Toxicology Laboratory Update
Cyanide, blood (pdf)
Container: Gray top (sodium fluoride) tube
January 22, 2007
Molecular Diagnostics Laboratory Test Update
Human Immunodeficiency Virus-1, Quantitative by PCR (pdf)
Storage Instructions Update
Ultrasensitive Human Immunodeficiency Virus-1, Quantitative by RT-PCR (pdf)
Storage Instructions Update
January 16, 2007
Microbiology Laboratory Test Update
Respiratory Syncytial Virus (RSV) Antigen (pdf)
Storage Instructions: Specimen should be transported immediately on ice.
2006
December 2006
New Monographs
Cystic Fibrosis Carrier Screening (pdf)
Human Papillomavirus by DNA (pdf)
April 24, 2006
Hematology Laboratory Test Update
New Reference Ranges for Coagulation
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