What Types of Substance Misuse Tests Are Available to Me?

A smarter way to test — keeping your workforce safe, supported, and performing at their best.

When it comes to workplace safety and productivity, prevention is always better than cure. That’s why forward-thinking businesses across the UK are adopting substance misuse testing not just as a compliance tool, but as a smarter, more supportive way to protect both employees and business outcomes.

If you’re wondering what types of workplace drug tests are available and which ones might work best for your setting, here’s a simple, jargon-free guide.

Why Substance Misuse Testing Matters

Workplace testing isn’t about catching people out — it’s about creating the conditions for everyone to do their best work, safely and confidently.

When used fairly and appropriately, drug and alcohol testing helps:

• Reduce accidents and mistakes

• Boost productivity

• Show your team you take their wellbeing seriously

• Meet industry standards and legal duties

The goal? A safer, healthier, and more reliable team — and a business that runs better because of it.

The Main Types of Workplace Drug Testing

Here’s a breakdown of the most common substance misuse testing options used in UK workplaces — and how they each support your business.

1. Pre-Employment Testing

What it is:Testing conducted during the hiring process.

Why it’s useful:It ensures potential new hires are in a fit state to take on the role, especially in safety-sensitive positions. It also shows you’re serious about health and wellbeing from day one.

2. Random Testing

What it is:Testing selected employees at random, without prior warning.

Why it’s effective:It’s a proven deterrent. Employees know they could be tested at any time, so it promotes ongoing accountability. Especially helpful in sectors like construction, logistics, or manufacturing where safety is critical.

3. Post-Incident Testing

What it is:Testing someone after an accident or near miss at work.

Why it’s important:It helps identify whether substance misuse was a factor in an incident. This isn’t about blame — it’s about learning lessons and improving safety moving forward.

4. Reasonable Suspicion Testing

What it is:Testing triggered by concerns about an employee’s behaviour or appearance.

Why it matters:If someone appears unwell, confused, or unsafe, testing can help clarify the cause. It ensures the right support can be offered — and that everyone else stays safe, too.

5. Periodic Testing

What it is:Testing carried out at regular intervals (e.g. annually or bi-annually).

Why it helps:It’s a great way to support long-term wellness and safety, particularly in high-risk roles. It also reinforces your commitment to wellbeing across the board.

6. Return-to-Duty Testing

What it is:Testing conducted after an employee has completed treatment or a rehabilitation programme.

Why it’s supportive:This kind of testing is about welcoming someone back to work with care and confidence — not judgement. It confirms they’re ready to safely resume their role and shows your commitment to second chances.

Testing That Supports, Not Punishes

At First Cohort, we believe in testing that supports your business instead of hindering it. That means helping you choose the right tests at the right time — with empathy, fairness, and professionalism.

We’re here to help you build a culture of safety, not fear. If an employee is struggling with substance misuse, we’ll help you respond in a way that prioritises both support and responsibility — because businesses thrive when people are treated like people.

Conclusion: A Smarter Way to Keep Your Workplace Safe

When it’s done right, workplace drug testing becomes part of a positive, proactive wellbeing strategy. It’s about prevention, protection, and creating the kind of environment where everyone can do their best work.

Whether you need pre-employment screening, post-incident testing, or a full substance misuse policy review, we’ve got the expertise and flexibility to support you.

Dave