National Testing Services Contact

Drug testing in Louisiana

State laws, marijuana laws, and employer compliance

Recreational marijuana: IllegalMedical marijuana: LegalDOT rules apply nationwide
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For employers

Louisiana drug testing laws

Governing law

Louisiana Revised Statutes Title 49, Chapter 10; La. R.S. §49:1016; Louisiana Department of Health Medical Marijuana Program

What you can do

Employer rights

  • Pre-employment testing allowed
  • Random testing generally allowed
  • Reasonable suspicion testing lawful
  • Post-accident testing permitted
  • Return-to-duty and follow-up testing allowed
  • Employers may deny hiring or terminate based on positive results
  • Certified labs are required when results drive adverse actions
What you must do

Compliance requirements

  • Maintain written testing policies
  • Use SAMHSA-certified or approved labs
  • Follow state-mandated procedures
  • Keep results confidential
  • Give employees access to records when applicable
  • Apply policies consistently and fairly

Louisiana specifics

Workers' Compensation Considerations

  • Positive post-accident drug or alcohol tests may affect workers' compensation eligibility under Louisiana law

Cannabis

Louisiana marijuana laws

Recreational · Illegal

Recreational use

  • Remains prohibited
  • Unauthorized possession may still bring criminal penalties
Medical · Legal

Medical use

  • Legal for qualified patients with a physician recommendation
  • Access is regulated under state law
At work

Workplace impact

  • Private employers generally are not required to accommodate medical use
  • Most may enforce zero-tolerance policies
  • State government employees have limited protections against discrimination solely for medical use
  • Employers may prohibit on-duty use or impairment
  • Safety-sensitive and federally regulated roles face stricter standards

Best practices

Staying compliant in Louisiana

Develop written drug-free workplace policies
Use certified labs
Track evolving medical marijuana laws
Enforce policies consistently and without discrimination
Follow Louisiana procedural standards

Our services

Testing services in Louisiana

NTS provides accurate, confidential, and legally defensible testing through our nationwide collection network.

Urine drug testingHair follicle testingOral fluid (saliva) testingNail drug testingDOT drug and alcohol testingCourt-ordered testingRandom and pre-employment screening

Sources & legal references

  1. Louisiana Revised Statutes Title 49, Chapter 10
  2. La. R.S. §49:1016
  3. Louisiana Department of Health, Medical Marijuana Program
  4. U.S. DOT Drug & Alcohol Testing Regulations
  5. NCSL Marijuana Laws by State

Laws change often. This page is general information, not legal advice. Check official state agencies or consult legal counsel for current requirements.

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Testing employees in Louisiana?

Call the office to set up a compliant program, or schedule onsite collections.

Office601-602-2445 Onsite601-633-7733
Visit1520 Adeline St, Ste. 20, Hattiesburg, MS 39401