DUI State Law · Tennessee
Tennessee Roadside Saliva (Oral Fluid) DUI Testing Law
How Tennessee 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 Tennessee
Statute / authority: SB 1534 (2024) · Tenn. Code § 55-10-406
Enacted April 2024, effective May 5, 2025. Oral fluid placed on same legal footing as breath. Refusal = 1-year license suspension.
What this means for agencies in Tennessee
Tennessee 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