Accredited Drug Testing | Workplace Drug Tests

Welcome to Drug Testing Clinics, Expert Providers in Drug and Alcohol Testing

With over 15 years’ experience of providing Accredited Drug and Alcohol testing for the workplace and individuals, we can provide a testing solution that is tailor made for you.

We are part of Crystal Health Group which is an established and trusted occupational health testing provider. The company performs thousands of tests throughout the UK and Ireland each year to commercial organisations, the public sector & private individuals.

Our commitment to providing quality testing services is demonstrated through annual ISO Certification. Highly trained and qualified Clinical Advisors will guide and support you through the process from your initial enquiry to reporting test results and post testing service options.

Drug Group	Drug/Metabolite	Screening Cut-Off (ng/ml)	Confirmation Cut-Off (ng/ml)
AMPHETAMINES	Amphetamine	40	30
	Methylamphetamine
	MDMA
	MDA
	MDEA
	MDBD
BENZODIAZEPINES	Oxazepam	10	10
	Temazepam
	Nordiazepam
	Lorazepam
CANNABIS	Delta-9-THC acid	10	2
COCAINE	Cocaine	30	8
COCAINE	Benzoylecgonine	30	8
OPIATES	Morphine	40	40
	Codeine
	Dihydrocodeine
	6-AM (Heroin indicator)	4	4
METHADONE	Methadone	50

Drug Group	Drug/Metabolite	Cut-off levels (ng/mg)
AMPHETAMINE	Amphetamine	0.2
BARBITURATES	Butabarbitone	0.2
	Pentobarbitone	0.2
	Phenobarbitone	0.2
	Secobarbitone	0.2
BENZODIAZEPINES	7-Aminoclonazepam	0.03
	Alprazolam	0.03
	Chlordiazepoxide	0.10
	Clonazepam	0.03
	Diazepam	0.03
	Lorazepam	0.03
	Midazolam	0.03
	Nitrazepam	0.03
	Nordiazepam	0.03
	Oxazepam	0.03
	Temazepam	0.03
BUPRENORPHINE	Buprenorphine	0.04
BUPRENORPHINE	Norbuprenorphine	0.04
CANNABINOIDS	Cannabidiol	0.02
	Cannabinol	0.02
	delta9-tetrahydrocannabinol (THC)	0.02
	11-Nor-delta9-THC-9-carboxylic Acid (THC-COOH)	0.002
COCAINE	AEME	0.1
	Benzoylecgonine	0.05
	Cocaethylene	0.05
	Cocaine	0.5
	Norcocaine	0.05
HYPNOTIC SEDATIVES	7-aminoflunitrazepam	0.03
	Flunitrazepam	0.03
	Zolpidem	0.2
	Zopiclone	0.2
KETAMINE	Ketamine	0.2
KETAMINE	Norketamine	0.2
MEPHEDRONE	Mephedrone	0.2
METHADONE	Methadone	0.2
METHADONE	EDDP	0.2
METHAMPHETAMINE (INCLUDING ECSTASY)	MBDB (Methylenedioxyphenyl-2-butanamine)	0.2
	MDEA (Methylenedioxyethylamphetamine)	0.2
	MDMA (Methylenedioxymethylamphetamine)	0.2
	MDA (Methylenedioxyamphetamine)	0.2
	Methamphetamine	0.2
OPIATES	6-acetylmorphine	0.2
	6-acetylcodeine	0.2
	Codeine	0.2
	Dihydrocodeine	0.2
	Diacetylmorphine (Heroin)	0.2
	Morphine	0.2
OPIOIDS	Fentanyl	0.02
	Oxycodone	0.2
	Pethidine	0.2
TRAMADOL	Tramadol	0.2
TRAMADOL	O-Desmethyltramadol	0.2
CATHINONE	Cathinone	0.2
CATHINONE	Methcathinone	0.2
PROPOXYPHENE	Propoxyphene	0.2
PROPOXYPHENE	Norpropoxyphene	0.2
LSD	Lysergic acid diethylamide (LSD)	0.2
PHENCYCLIDINE (PCP)	Phencyclidine	0.2
PROPOFOL	Propofol Glucuronide	7 (pg/mg)

Drug Group	Screening Cut-Off Level (ng/ml)
Amphetamines	1000
Barbiturates	300
Benzodiazepines	300
Cannabis	50
Cocaine	300
Ketamine	1000
Methadone	300
Methamphetamine	1000
Opiates	2000
Phencyclidine	25
Propoxyphene	300

Drug Groups	Drug/Metabolite	Screening Cut-Off Level (ng/ml)	Confirmation Cut-Off Level (ng/ml)
ALCOHOL	Ethanol	40	40
AMPHETAMINES	Amphetamine	500	200
	Methylamphetamine
	MDMA
	MDA
	MDEA
	MBDB
BARBITURATES	Secobarbitone	200	150
	Phenobarbitone
	Amylobarbitone
	Pentobarbitone
BENZODIAZEPINES	Oxazepam	200	100
	Diazepam
	Temazepam
	Nordiazepam
	Lorazepam
BUPRENORPHINE	Buprenorphine	5	2
BUPRENORPHINE	Norbuprenorphine	5	2
CANNABIS	Delta-9-THC acid	25	15
COCAINE	Benzoylecgonine	150	100
KETAMINE	Ketamine	100	50
KETAMINE	Norketamine	100	50
LSD	LSD	0.5	0.5
METHADONE	Methadone	300	250
METHADONE	2-Ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine (EDDP)	300	75
METHAQUALONE	Methaqualone	300
OPIATES	Morphine	300	300
	Codeine
	Dihydrocodeine
	6-AM (Heroin indicator)	10	10
PHENCYCLIDINE (PCP)	Phencyclidine	25	25
PROPOXYPHENE	Nor-Propoxyphene	300	300

Accredited and Trusted

ISO 17025 Laboratory Facilities

ISO 27001 Information Security

ISO 9001 Quality Management

ISO 14001 Environmental Management

Making Your Workplace Safer

Random Testing Programmes

Pre-employment Testing

Full ‘For Cause’ Service – subject to location

Drug & Alcohol Policy support

Convenience and Support

Network of Drug Testing Clinics

Mobile Collection Services

Full Clinical Support

Counselling & Psychotherapy

Network Rail Accredited

Network Rail Drug & Alcohol Testing

Approved RISQS audited provider

For all pre-appointment, periodic and random Drug & Alcohol testing

Drug & Alcohol results loaded to Sentinel

Welcome to Drug Testing Clinics, Expert Providers in Drug and Alcohol Testing

Types of Tests

Oral Fluid Screen & Confirmation Drug Test

Urine Lab Screen & Confirmation Drug Test

Urine Instant Point of Care Drug Test

Hair Drug Test

Hair Alcohol Test

Blood Alcohol Test

Breath Alcohol Test

Workplace Medicals

Reasons for Testing

Workplace Drug and Alcohol Testing

Private & Legal Drug and Alcohol Testing

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Drug and Alcohol Testing for Network Rail

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