test updates

When changes are made to testing requirements, methodologies, etc., Wisconsin Diagnostic Laboratories strives to keep you informed as soon as possible so we can provide the highest quality service to you. 


To open documents, simply click on the link for more information.  If you wish to have printed copies of any announcement, please email Kathy Belling at kbelling@wisconsindiagnostic.com with your request.



Effective August 29, 2019, Mycoplasma pneumoniae Antibody (combined IgG and IgM) and Mycoplasma pneumoniae IgM testing will be inactivated in Epic due to poor specificity of the test.


Effective August 19, 2019, WDL is making a change in  Epstein Barr Virus reporting.


Effective August 5, 2019, the Cytogenetics Laboratory began offering a new fluorescence in situ hybridization (FISH) panel for Philadelphia chromosome (Ph) – like B-lymphoblastic leukemia/lymphoma (B-ALL).


Effective July 15, 2019, WDL will discontinue in-house testing of H. pylori antibody IgG.


Effective July 10, 2019, WDL will transition to a new automated method for Erythrocyte Sedimentation Rate (ESR) that will significantly reduce the time to result as compared to the manual method.


Effective July 10, 2019, the CANCER CENTER CBC and DIFF (CCCBCD) [85025.002] test order, will be inactivated in Epic, since it is a duplicate test to the standard CBC and DIFF. 


Important notice regarding Urobilinogen Results.


Effective June 20, 2019, WDL will begin testing Cytomegalovirus Antibody IgG, Beta-2 Microglobulin and Homocysteine using new instrumentation.  Reference ranges for each analyte will change.


Effective June 17, 2019, WDL will be removing the combination of 3+ Glucose with 2+ or greater Ketone in urine specimens from our critical value listing.  Urinalysis Critical Value Reporting Update.


Effective June 4, 2019, WDL is implementing a new Coagulation Instrument System in the WDL Main Lab onlyReference ranges and reportable ranges will change for PTT, PTT HEP, FIBRGN, D DIMER, and PT.  Also, please note, PTT specimen stability is changing from 24 hours to 4 hours.


Effective June 4, 2019, D-Dimer assay performance specifications have been updated for testing at the WDL Main Lab


Effective May 15, 2019, Respiratory Virus Extended Panel Nucleic Acid Amplification Test (V RESPEXP NAAT) will be replaced with the Respiratory Extended Pathogen Panel Nucleic Acid Amplification Test (RESP EPP NAAT).


Effective April 1, 2019, WDL will be changing the reference range and the Heparin Therapeutic Range for Activated Partial Thromboplastin Time (PTT).


Effective March 26, 2019, WDL is expanding the Testing Menu in the Froedtert Clinical Cancer Center Laboratory.


Effective March 18, 2019, WDL is replacing the 3-tube QuantiFERON TB Gold test with the QuantiFERON TB Gold Plus 4-Tube test.


Effective March 18, 2019, Salivary Cortisol reference range will change.


Effective March 15, 2019, WDL will only accept the H. pylori BreathTek collection kit.


Effective February 20, 2019, WDL will update reference ranges for electrolytes reported in the Code 4 (Medical Emergency) Panel.


Effective February 20,2 019, the reference range for Prothrombin Time (PT) testing will change.


Effective February 4, 2019, WDL will transition to a new test method for Thyroglobulin and Thyroglobulin Antibodies testing.


Effective January 30, 2019, WDL will implement a new culture order, specifically for the isolation and identification of Helicobacter pylori from gastric biopsy specimens, H. pylori Culture.


Effective January 16, 2019, WDL will implement a new test for Whole Blood Electrolytes.


Effective January 16, 2019, WDL will begin performing Beta-Hydroxybutyrate testing in-house.


WDL is updating Allergy Test Panel offerings.


Effective January 3, 2019, WDL has a  Factor XIII Testing Update.