Hotlines—Quarterly

New and inactivated tests, as well as test changes, are detailed in Hotlines, which are available 45 days prior to the effective date of changes, unless otherwise noted. The ARUP Laboratory Test Directory is updated on the effective date of each Hotline.

Hotline Summary of Changes Improvements

The updated and improved Hotline Summary of Changes includes links to detailed testing changes, interface maps, and sample reports.

If you have not signed up for the Custom Hotline Index, which allows you to view Hotline changes applicable to your lab only, visit the ARUP Connect page for more information and to subscribe.

Subscribe to our Hotline mailing list.


Quarterly Hotline: Effective November 18, 2019


Quarterly Hotline: Effective August 19, 2019


Quarterly Hotline: Effective May 20, 2019


Quarterly Hotline: Effective February 19, 2019