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 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.