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HAIR TESTING F. A. Q.

Noble Diagnostics usually requires an undetectable lock of hair preferably snipped from the back of the head, just below the crown. The amount needed is approximately one (1) centimeter wide.

Cocaine, marijuana, opiates (including heroin, codeine, morphine, oxycodone, hydrocodone and hydromorphone), methamphetamine, Ecstasy (MDMA), Eve (MDEA) and phencyclidine (PCP).

It takes approximately 5-7 days from the time of drug use for the portion of the hair containing that drug to grow above the scalp.

Yes. Hair can be collected from several locations on the head and combined to obtain the required amount of hair. If head hair is not available, certain body hair can be used as an alternative.

After you ingest a drug, the substance itself or metabolites that are produced as the drug is processed by your body are deposited from your bloodstream into the hair shaft via the hair follicle.

Yes: if, for any reason, a person’s head hair can’t be tested, the second option is body hair from the underarm, chest or back.

The laboratory receives the samples via overnight courier. Preparation of the sample for testing is performed the day the samples arrive and the initial test is completed overnight. Negative screening results are typically reported within 24 hours of specimen receipt. Positive results are confirmed, reviewed, and typically reported within 48-72 hours of receipt.

Yes, Ecstasy is reported under the “Amphetamines” group.

Yes. Upon request, a customer’s testing panel may also include confirmatory testing for semisynthetic opiates (hydrocodone, hydromorphone, oxycodone, and oxymorphone).

The results stay in our system for a minimum of 5 years

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