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Test Directory

Submitting Specimens to CDC

CDC’s Infectious Diseases Laboratories provides an online Test Directory that allows you to identify the right test for your needs. The searchable Test Directory features an up-to-date list of orderable tests and provides information on specimen requirements, contact information, test turnaround times, and other supplemental information. Access the directory here or while completing a Specimen Submission Form.

You may also download a copy [PDF – 359 pages] of the entire Test Directory.

Effective May 4th 2018, an updated test directory is available. There were no Test Orders added or deleted in this release. View the list of major changes from the last update here [PDF – 23 KB].


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    Test Name Test Code

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