Workplace State Law · Missouri
Missouri Workplace Saliva (Oral Fluid) Drug Testing Law
How Missouri treats oral fluid (saliva) drug testing in the workplace — the statute, its current status, and what that means for employers building or updating a testing program.
Status: Open / Permissive
Statute and status in Missouri
Statute / authority: No mandatory state workplace drug testing law
Missouri has no workplace drug testing statute. Full employer discretion on specimen type and timing. Oral fluid fully permissible.
What this means for employers in Missouri
Missouri has no statute restricting the specimen an employer may test, so saliva testing is permitted under general employment law. Keep a written policy, apply it consistently, and confirm non-negative screens at a laboratory.
Every state at a glance
The same dataset behind the workplace map, one page per state.
- Alabama — Open / Permissive
- Alaska — Explicitly Permitted
- Arizona — Open / Permissive
- Arkansas — Open / Permissive
- California — Explicitly Permitted
- Colorado — Open / Permissive
- Connecticut — Voluntary / Conditional
- Delaware — Restricted
- Florida — Open / Permissive
- Georgia — Open / Permissive
- Hawaii — Restricted
- Idaho — Open / Permissive
- Illinois — Open / Permissive
- Indiana — Open / Permissive
- Iowa — Voluntary / Conditional
- Kansas — Open / Permissive
- Kentucky — Open / Permissive
- Louisiana — Open / Permissive
- Maine — Voluntary / Conditional
- Maryland — Voluntary / Conditional
- Massachusetts — Voluntary / Conditional
- Michigan — Open / Permissive
- Minnesota — Explicitly Permitted
- Mississippi — Open / Permissive
- Missouri — Open / Permissive
- Montana — Explicitly Permitted
- Nebraska — Open / Permissive
- Nevada — Open / Permissive
- New Hampshire — Voluntary / Conditional
- New Jersey — Voluntary / Conditional
- New Mexico — Open / Permissive
- New York — Open / Permissive
- North Carolina — Open / Permissive
- North Dakota — Open / Permissive
- Ohio — Open / Permissive
- Oklahoma — Open / Permissive
- Oregon — Open / Permissive
- Pennsylvania — Open / Permissive
- Rhode Island — Voluntary / Conditional
- South Carolina — Open / Permissive
- South Dakota — Open / Permissive
- Tennessee — Open / Permissive
- Texas — Open / Permissive
- Utah — Explicitly Permitted
- Vermont — Voluntary / Conditional
- Virginia — Open / Permissive
- Washington — Explicitly Permitted
- West Virginia — Open / Permissive
- Wisconsin — Open / Permissive
- Wyoming — Open / Permissive