Arkansas — drug testing employment law

What are the drug testing laws in Arkansas?

Arkansas's workplace testing posture is broadly permissive. Arkansas has a comprehensive medical cannabis program (since 2016). Recreational use remains illegal. Off-duty cannabis use receives no express off-duty protection; medical cannabis patients have express mmj employee protection. The detail and exceptions matter — read below before adopting or contesting a policy.

At a glance: Arkansas

Overview: drug testing in Arkansas

Arkansas adopted a constitutional Medical Marijuana Amendment in 2016 (Amendment 98) and has had a voluntary Drug-Free Workplace Program (Ark. Code § 11-14-101 et seq.) since the 1990s offering a 5% workers' compensation premium discount for participating employers. Recreational cannabis remains illegal, and the state's general employment-law posture is at-will and broadly permissive toward employer testing programs.

Cannabis law and workplace testing

Amendment 98 contains an express anti-discrimination provision for registered qualifying patients (§ 3): an employer may not discriminate against an applicant or employee solely on the basis of patient status. However, the amendment preserves employer authority over safety-sensitive positions, allows action where the employee is under the influence at work, and does not require accommodation that would jeopardize a federal contract or benefit.

Specific testing rules in Arkansas

The table below summarizes how Arkansas typically treats four common workplace testing scenarios. Each row reflects the dominant statutory or case-law position; carve-outs (federal-contractor, DOT-regulated, safety-sensitive, etc.) may shift any individual analysis.

Federal overlay: DOT and federal contractors

In all U.S. states — including Arkansas — DOT-regulated employees (safety-sensitive roles in transportation industries under 49 CFR Part 40) and federal-contractor employees subject to the federal Drug-Free Workplace Act of 1988 are testable under federal rules regardless of state cannabis status or workplace-testing restrictions. State law cannot reduce federal testing obligations for these populations. Where state law otherwise restricts cannabis testing, the federal-overlay carve-out typically preserves the employer's authority for these federally affected roles.

For employers in Arkansas

Arkansas employers can maintain robust testing programs. For registered medical cannabis patients, document the safety-sensitive nature of the position or impairment-based justification before adverse action. Consider participating in the Drug-Free Workplace Program for the 5% workers' comp discount.

• Written policy. Document the substances tested, the cutoff levels, the testing modalities (urine / oral fluid / hair), and the consequences of a non-negative result.
• Notice. Provide written notice before testing begins and obtain signed acknowledgement where the state requires it.
• Certified laboratory. Use a SAMHSA-certified or equivalent laboratory; document chain of custody.
• Confirmation testing. Confirm any non-negative initial result with mass-spectrometry (GC-MS or LC-MS/MS) before any adverse action.
• MRO review. Engage a qualified Medical Review Officer to review all non-negative results before reporting to the employer.
• Safety-sensitive designations. If the role is statutorily exempt as safety-sensitive, document the designation in writing using the state\'s statutory definition.
• Medical cannabis disclosures. Where state law provides patient protection, engage an interactive accommodation process before adverse action.

For workers in Arkansas

Arkansas medical cannabis cardholders have constitutional anti-discrimination protection — adverse action solely for cardholder status or a positive cannabis test (without impairment or safety-sensitive nexus) may be unlawful. Document your cardholder status with HR before any test.

• Know the policy. Request a copy of your employer\'s written testing policy — it should specify when testing occurs, what is tested, and how to challenge a result.
• Disclose medications to the MRO, not the employer. The Medical Review Officer reviews non-negative results before they are reported and can resolve a legitimate prescription explanation.
• Document medical cannabis status. If you are a registered medical cannabis patient in a state with patient protection, document your status with HR before testing.
• Confirmation testing. Any non-negative initial result should be confirmed by GC-MS or LC-MS/MS before adverse action.
• Appeal rights. Many state statutes provide an appeals process — read your employer\'s policy carefully.

Arkansas voluntary Drug-Free Workplace Program

Arkansas maintains a voluntary Drug-Free Workplace Program. Employers who comply with the statutory requirements — typically a written policy, employee education, supervisor training, EAP access, and defined testing procedures — receive procedural advantages , including a 5% workers' compensation premium discount. The program is codified at Ark. Code § 11-14-101 et seq..

The program is not a substitute for compliance with other state and federal employment law, and participation is voluntary — but for many employers in Arkansas, the workers\' compensation discount and the statutory presumption in favor of testing-based decisions make participation economically attractive.

Key statutes and citations

The following statutory citations are the primary controlling authority for drug testing employment law in Arkansas. We provide citations only — confirm current text via your state legislature\'s codified statutes (or an authoritative legal research platform) before relying on this information.

• Drug-Free Workplace Program (workers' comp) — Ark. Code § 11-14-101 et seq.
• Arkansas Medical Marijuana Amendment — Ark. Const. amend. 98

Multi-state employers operating in Arkansas

A national or multi-state employer\'s policy that works in a permissive state (e.g., Alabama or Texas) may not be lawful as applied to employees in Arkansas, and vice versa. Common multi-state pitfalls include: applying a national pre-employment cannabis screen in jurisdictions that prohibit it; treating a positive cannabis test as automatic disqualification where state law restricts that outcome; failing to designate safety-sensitive roles in compliance with the relevant state\'s statutory definition; and not maintaining state-specific written policies and acknowledgements. For multi-state programs, see our multi-state employer guide.

How this page is built and reviewed

This page combines a structured data layer (cannabis status, statutory protection levels, voluntary program details, statute citations) with state-specific narrative drafted from primary statutes and authoritative secondary sources. Every claim should trace either to a statute citation, an authoritative secondary source (e.g., NCSL, EEOC, DOT, SHRM, ASAM), or general background knowledge clearly framed as such. The page is reviewed against the listed sources on each material amendment.

Found something out of date? Let us know — we update state pages as statutes and case law evolve.