DUI State Law · Missouri
Missouri Roadside Saliva (Oral Fluid) DUI Testing Law
How Missouri treats oral fluid (saliva) testing in DUI enforcement — the statute, its current status, and what that means for agencies running roadside drug screening.
Status: Verified · Enacted + Active Deployment
Statute and status in Missouri
Statute / authority: RSMo § 577.020 · KCPD Pilot Active
Kansas City PD active pilot.
What this means for agencies in Missouri
Missouri has written oral fluid into its DUI framework and agencies are deploying it. Roadside saliva screening with a preserved specimen for laboratory confirmation is the workflow OraPlex™ was built for: an observed collection in about a minute, a preliminary result at the roadside, and a split sample the laboratory can quantify.
Every state at a glance
The same dataset behind the DUI map, one page per state.
- Alabama — Verified
- Alaska — Authorized
- Arizona — Authorized
- Arkansas — Authorized
- California — Authorized
- Colorado — Limited / Voluntary Only
- Connecticut — Authorized
- Delaware — Limited / Voluntary Only
- Florida — Limited / Voluntary Only
- Georgia — Authorized
- Hawaii — No Oral Fluid Provision
- Idaho — Limited / Voluntary Only
- Illinois — Authorized
- Indiana — Verified
- Iowa — Limited / Voluntary Only
- Kansas — Authorized
- Kentucky — Authorized
- Louisiana — Authorized
- Maine — No Oral Fluid Provision
- Maryland — Authorized
- Massachusetts — Limited / Voluntary Only
- Michigan — Limited / Voluntary Only
- Minnesota — Verified
- Mississippi — Authorized
- Missouri — Verified
- Montana — Verified
- Nebraska — Authorized
- Nevada — Authorized
- New Hampshire — Limited / Voluntary Only
- New Jersey — Limited / Voluntary Only
- New Mexico — Limited / Voluntary Only
- New York — Authorized
- North Carolina — Limited / Voluntary Only
- North Dakota — Authorized
- Ohio — Verified
- Oklahoma — Verified
- Oregon — Limited / Voluntary Only
- Pennsylvania — Authorized
- Rhode Island — Limited / Voluntary Only
- South Carolina — Limited / Voluntary Only
- South Dakota — Authorized
- Tennessee — Verified
- Texas — Limited / Voluntary Only
- Utah — Verified
- Vermont — No Oral Fluid Provision
- Virginia — Authorized
- Washington — Limited / Voluntary Only
- West Virginia — Limited / Voluntary Only
- Wisconsin — Authorized
- Wyoming — Authorized