Drug testing in the workplace: legal framework and best practices
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Screening possible, but never without a framework.
An employer cannot indiscriminately test all employees. Rapid saliva screening is only allowed for certain positions presenting a particularly high risk, respecting a written procedure, confidentiality, and the right to medical counter-expertise.
Is drug screening legal in the workplace?
Yes, but only under conditions. The Council of State decision no. 394178 of December 5, 2016 validated a system targeting only so-called "hypersensitive drug and alcohol" positions, for which recent consumption can create a particularly high danger for the employee or others.
This decision does not constitute a general authorization to test all employees at any time or for any reason. Any restriction on rights and freedoms must be justified by the nature of the task and proportionate to the intended purpose, in accordance with articles L. 1121-1 and L. 1321-3 of the Labor Code.
Who can perform the saliva test?
The Council of State ruled that an immediate detection saliva test is not a medical biology examination. Within the framework validated by this decision, it can be performed by a hierarchical superior, without mandatory intervention of an occupational physician.
What guarantees should be provided?
Reserve testing for positions specifically identified as particularly sensitive for safety.
Include the device, its procedures, and consequences in the internal regulations or applicable document.
Inform employees and comply with social dialogue formalities and internal regulations control.
Train authorized personnel to use the device and interpret the result.
Ensure the confidentiality of the result and respect for professional secrecy.
Plan for a medical counter-expertise in case of a positive result, funded by the employer.
What does a positive saliva test prove?
It reveals recent consumption of the targeted substance above the device threshold. It does not prove, by itself, that the employee is still "under the influence" of the drug, that they are medically unfit, or that they consumed on the worksite.
This is precisely why the protocol must provide for immediate safety measures, the possibility of confirmation, and applicable consequences, without improvisation.
What conduct to follow?
Temporarily remove the person from a dangerous task when safety requires it.
Follow the procedure defined in the internal regulations, without improvised decisions.
Strictly limit access to the result to authorized persons.
Remind of the right to medical counter-expertise provided by the device.
Consult the occupational health and safety service when the situation justifies it.
Screening does not replace a prevention policy
Prevention must take place before sanction. Screening does not replace the DUERP, manager training, prevention of work factors promoting consumption, or management of individual situations.
A relevant protocol combines risk prevention, team information, manager training, immediate safety measures, and support for the people concerned.
Can a test be imposed at hiring?
The 2016 Council of State decision does not create a general right for a recruiter to organize systematic screening at hiring. Medical fitness examinations fall under the occupational health and safety service and must remain justified by the position.
Build a compliant protocol
Before any deployment, the company must map high-risk positions, involve the CSE and the occupational health and safety service, define a written procedure, choose an appropriate test, and train authorized personnel.
AMA Prévention supports companies in choosing devices, preparing the protocol, and training teams, without replacing legal advice or the occupational physician.
Prepare a device adapted to your company
Discuss with AMA Prévention about your high-risk positions, your screening needs, and the training of authorized personnel.
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General information article. Each device must be adapted to the organization, the relevant positions, and the company's internal regulations. This content does not constitute individual legal advice.
