Positivity by Testing Reason - Hair Drug Tests for U.S. General Workforce

Quest Diagnostics

Print

Drug Testing Index

Quest Diagnostics Drug Testing Index hair positivity rates by testing reason, general U.S. workforce

For an interactive map showing urine drug test positivity in the United States, visit QuestDiagnostics.com/DrugMap.

See our infographic about workforce drug testing.

Download the latest Quest Diagnostics Drug Testing Index brochure.

Drug Testing Index © 2001-2019 Quest Diagnostics Incorporated. All rights reserved.