Drug Testing

A drug test is required for all transactions EXCEPT documents of continuity modifications (increases of scope), duplicates, and International Endorsements (STCW).


Locate an Approved Drug Testing Facility near you using


Disclaimer: This directory is not maintained by the federal government and is provided to mariners as a convenience for informational purposes only. Mariners are advised to contact the testing facility of their choice directly to ensure it meets their needs as well as all Coast Guard requirements. The Coast Guard does not recommend or endorse any particular provider.

Overview of Drug Testing Requirements

A drug test is required for all transactions EXCEPT increases of scope, duplicates, and International Endorsements (STCW). In order to meet drug testing requirements, you must choose and provide one of the below options.

Option One: Provide the results of an approved drug test.

Option Two: Provide a letter attesting to participation in random drug testing programs.

Option Three: Provide a letter attesting to pre-employment drug testing.

Click on the following to learn more information:

Marine Employers Drug Testing Guide