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Urine laboratory drug tests

About Us

Accredited drug testing and occupational health services

Drug Testing Clinics has provided drug and alcohol testing and occupational health services since 2010. The service is part of Crystal Health Group, which includes DNA Clinics. As a result, we have the infrastructure and knowhow to provide a wide range of accredited drug testing and occupational health services. We operate across the UK, with both on-site and off-site coverage across our network of clinics and mobile locations. Our head office is based in Manchester, and coordinates all testing and occupational health assessments.

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ISO 14001 DNA drug testing
ISO 27001 DNA drug testing
ISO 9001 DNA drug testing

Operating across multiple business sectors and working with a diverse group of clients

Jet2 com
Morson talent logo
Home Office
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Cheshire West and Chester
PD ports
Rail worker drug testing RISQS

RISQS Accredited

We are RISQS accredited to perform drug and alcohol testing and PTS medical assessments for Network Rail, RISQS buyers and other suppliers. In addition, we provide similar accredited drug testing services for Sellafield, nuclear power stations, National Grid, utilities and waste management companies throughout the UK.


Local drug testing clinics, medial centres and mobile locations throughout the UK

For your convenience, we have a network of drug testing locations throughout the UK. As a result, we can provide testing and medical appointments for you in your local area. Or we can arrange for a certified sample collection officer to visit your home or other convenient location of your choice.

Hair drug and alcohol testing

Latest videos

What shows up in a hair drug test?

In this video, we answer many of the questions associated with using hair samples to detect drugs.

Urine drug and alcohol testing

Latest videos

What drugs can be tested in a urine drug test?

It's still the most common method of drug testing. In this video we detail the drugs we standardly test for in urine and the basic science behind the analysis.