
Hair drug testing is important for many applications such as for employment requirement, forensics, legal proceedings, as well as for peace of mind / informational purposes. When individuals use illicit drugs, it takes about 5 to 10 days from the initial time of drug use for the drug to be detected in the hair follicle. Using laboratory methods known as mass spectrometry, hair drug testing can accurately detect illict drugs in the hair follicle of the head up to a 90 day period from the initial time of drug use. In addition, hair drug testing can possibly and accurately detect illict drugs in the hair follicle of the body up to a 12 month period from the initial time of drug use. Furthermore, the hair drug detection process has high accuracy irrespective of the hair specimens being contaminated by external agents such as shampoos, hair dyes and other types of hair contaminants. Detecting drugs in hair specimens offer many advantages such as being a simple, safe and non-invasive method for collecting hair specimens. It also allows for the inexpensive and safe transport of the hair specimen during shipment. This is unlike other specimens such as urine that can only detect most drugs within a 2 to 3 day period from the initial time of drug use. At CEN4GEN, we offer hair drug testing for both legal, as well as for anonymous peace of mind / anonymous informational purposes.
Below are examples of Drugs covered on our hair drug testing panels include:
Amphetamine
Methamphetamines
Barbiturates
Benzodiazepines
Buprenorphine/Metabolites
Cocaine/Metabolites
Fentanyl/Metabolites
Marijuana (THC/Carboxy THC)
Methadone/Metabolites
Opiates/Extended opiates
Phencyclidine
Tramadol
Ketamine/Metabolite
Meperidine/Metabolites
Propoxyphene
Zolpidem
Methcathinone
Etc

CEN4GEN is committed to providing quality, comprehensive, private and confidential hair drug testing services to support your needs. Our private services offer you a selection of customized, unique and sometimes rare testing options currently unavailable elsewhere. Our priority is to ensure you get the most comprehensive testing results so we use the latest advanced technologies.
At CEN4GEN:
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- Our services provide you confidential testing choices: for anonymous peace of mind / for anonymous informational purposes / for legal use.
- All services are undertaken in ISO 17025 accredited environments thereby establishing the high standards, accuracy, quality and reliability of our services.
- All services are performed by professional and experienced scientists.
CEN4GEN provides its specimen collection kit which is used for all of our hair drug testing services.

CEN4GEN guides you through the process of choosing which of our hair drug testing services are most relevant to you and the steps necessary to complete the testing. To learn more about a hair drug test, the pricing and to order a hair drug test, call CEN4GEN at 1-844-CEN4GEN or write to [email protected] and begin the testing process.