Testing Locations
Only sites on the following form, current as of April 2026, will be authorized. If you have any questions, please call LifeWorks at 760-723-3056.
Click to download a PDF of Collection Site Locations.
New location for E&J Medical Services!
Participants going to the National City, Brawley, or El Centro drug testing locations need to complete the following form:
National City, Brawley, or El Centro Drug Testing Locations Form