How To Use Our Test Directory
Our Laboratory Test Directory, which includes all in-house and send-out tests offered by Wisconsin Diagnostic Laboratories, is a reference tool that includes test ordering information, specimen type and volume, special instructions, delivery information, as well as reference ranges that include units of measure. We continually strive to enhance our services and encourage you to visit our test index for the latest information on our tests and services.
NOTE: The CPT-4 codes provided are for informational purposes only. They are based upon AMA guidelines and our interpretation of CPT coding requirements. CPT coding is the sole responsibility of the billing party. Wisconsin Diagnostic Laboratories assumes no responsibility for billing errors due to reliance on the CPT-4 codes listed in this test directory.
If you have any comments, suggestions, or questions, please contact WDL Client Services at (414) 805-7600.