In Louisiana, employers need to navigate a complex set of laws and regulations regarding drug testing in the workplace. Understanding these laws is crucial for maintaining compliance and mitigating legal risks.


Voluntary and Mandatory Drug Testing Laws

Louisiana’s drug testing laws offer flexibility to employers. They can choose to test employees for drugs with their consent under voluntary drug testing laws. However, mandatory state laws require employers to have a legitimate reason for conducting a drug test, and employee consent must be obtained before testing​.

Types of Drug Tests and Circumstances

Employers in Louisiana have several options for drug testing methods, including urine, saliva, hair, blood, and breath alcohol tests. The choice of method and the drugs included in the test panel can depend on state law requirements, federal regulations, the type of work performed, and the test method (lab-based vs. rapid-result)​

Department of Transportation (DOT) Regulations

For safety-sensitive employees in transportation industries, DOT regulations stipulate specific drug testing requirements, including pre-employment, random, post-accident, reasonable suspicion, return-to-duty, and follow-up drug testing​.

Variations in Drug Testing Laws

Louisiana has its own set of rules and regulations, impacting drug testing practices. Key aspects that may differ include permissible testing circumstances (e.g., pre-employment, random, post-accident, reasonable suspicion testing), the requirement of written policies, employee protections, and accommodations under the Americans with Disabilities Act (ADA), and considerations regarding medical and recreational marijuana use​.

Employee Rights

Employees have rights concerning workplace drug testing, such as privacy, freedom from discrimination, and due process. These rights are protected by state-specific laws​.

Marijuana Legalization and Employer Policies

With marijuana legalization evolving, employers must adapt their drug testing policies to comply with local laws. This includes ensuring drug testing for marijuana is necessary and consistent with state laws. Employers should regularly review their substance abuse policies and consider the legal status of medical and recreational marijuana use when making employment decisions.​

Specifics of Louisiana Drug Testing Laws

Louisiana allows employers to require drug testing as a condition of employment, with some industry-specific exceptions. Employers taking negative action based on test results must use certified laboratories and specified testing procedures. There are no restrictions on random, post-accident, and reasonable suspicion testing. Laboratories must be SAMHSA or CAP certified, and a Medical Review Officer is required for analyzing test results. Additionally, Louisiana has limited laws regarding medical marijuana, which do not significantly affect drug testing policies.​

For industries like oil drilling, exploration, or production, additional regulations may apply, and it’s advised to seek legal counsel for guidance​.


As a leader in hiring and screening solutions, Global Data Fusion is committed to providing up-to-date and comprehensive information to assist businesses in navigating Louisiana’s drug testing legal landscape. Understanding these laws helps ensure legal compliance and protects both employers and employees in the workplace.


Note: None of the preceding is to be considered legal advise and you should consult your legal counsel for specific guidance.