Workplace State Law · Michigan
Michigan Workplace Saliva (Oral Fluid) Drug Testing Law
How Michigan 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 Michigan
Statute / authority: MMMA 2008 · No general workplace testing statute
No mandatory workplace testing law. Medical marijuana users have some off-duty use protections, but testing itself is not restricted. Oral fluid fully permissible. Large manufacturing sector.
What this means for employers in Michigan
Michigan 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