Crystal Health Group provides DNA Testing, Drug and Alcohol Testing and Polygraph (Lie Detector) Testing throughout the UK. We deliver complete and fully managed testing services direct to the public, legal sector, local authorities & private commercial organisations.

Our network of DNA, Drug and Polygraph Testing Clinics provide unrivalled coverage around the UK on a local level. Fully accredited sample collection and laboratory facilities enable Crystal Health to deliver on our promise of convenience, confidence and support across all of the testing services we provide.

In addition, our graduate educated Clinical Advisors will guide you through the testing options available. We will ensure that we provide you with the most suitable service to meet your circumstances, whether just for peace of mind purposes or a test that must be legally defensible.


DNA Testing

Crystal Health Group have been providing DNA Testing services throughout the UK since 2005. Appointments are available through our network of DNA Clinics or mobile collection officers. All DNA tests are processed in UKAS 17025 laboratory facilities in the UK. In addition, self-collection Paternity DNA testing kits can be bought on-line via Find out more about the types of DNA tests we offer on our site or call to speak to a Clinical Advisor on 0800 988 7107.

More information about DNA Testing.

Network Rail Drug and Alcohol Testing

Crystal Health Group is audited and accredited by the Rail Industry Supplier Qualification Scheme (RISQS). Network Rail drug and alcohol testing is available through selected clinics and mobile collection officers. The testing can be undertaken for both Sentinel and non-sentinel purposes. The Rail standard test consists of a laboratory urine drug screen and confirmation and includes a breath alcohol test using a Home Office approved breathalyser. You can view our RISQS certificate here. To arrange an appointment for your Network Rail drug and alcohol test, please call 0800 988 7107.

More about Network Rail Drug and Alcohol Testing.

Drug and Alcohol Testing

We provide an extensive range of drug and alcohol tests to suit all circumstances. Our services include drug testing in the workplace for random, pre-employment and ‘For Cause’, to private drug tests for individuals looking to prove abstinence in court. All laboratory drug testing is UKAS 17025 accredited, legally defensible and performed in the UK and are available via appointment through our extensive network of Clinics and mobile collection officers. Alternatively, point of care urine drug testing is available by appointment and can also be purchased on-line. Detailed information on all drug and alcohol tests can be found on our website, or call 0800 988 7107 to talk to a Clinical Advisor.

More information about Drug and Alcohol Testing.

National Grid Drug and Alcohol Testing

We have been providing drug and alcohol tests to National Grid and Utilities standards since 2010. Random and pre-employment drug and alcohol testing is available both on-site and through our Clinics. Various drug panels are available for testing depending on your requirements. We can also react quickly and provide same day appointments at selected locations if urgent drug testing is required for site access. Call us today if you have an urgent requirement on 0800 988 7107.

More about National Grid Drug and Alcohol Testing.


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