Where is hair collected for a drug test?

Where is hair collected for a drug test?

During the test Hair is collected as close to the scalp as possible, near the hair’s root, to provide information about recent drug use. A standard sample of hair is around 1.5 inches, although in some cases a longer sample may be collected for additional history of drug use and misuse.

How long does it take to get Psychemedics hair test results?

approximately 5-7 days
How soon after use can a drug be detected in hair? 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 and be detectable.

What lab does psychemedics use?

LABORATORY PROCEDURES Psychemedics uses state of the art GC/MS/MS or LC/MS/MS. All remaining hair is stored in the chain-of-custody sample acquisition pouch. Negative hair is stored for approximately 1 month.

How much does a hair analysis drug test cost?

Cost of hair follicle drug tests For other kits, a person pays a basic price for the actual kit and an additional amount depending on which drugs the laboratory tests for. Packages that include the home kit and testing for 12 different drugs typically cost less than $100.

How far back does a hair follicle test detect alcohol?

90 days
With urine EtG alcohol testing there is about an 80 hour lookback period, with hair follicle EtG alcohol testing detection is up to 90 days.

How far back does a hair follicle drug test check?

How far back can a hair drug test detect drug use? Hair drug tests have the longest detection period, and can typically detect drug use for up to 90 days. Depending on the drugs used, a hair sample can sometimes help determine when drug use occurred and whether it’s been discontinued.

What shows up in a hair drug screen?

Hair drug tests typically test for cocaine, marijuana, opiates, methamphetamine, ecstasy, and PCP.

How sensitive is a hair strand test?

If self-report is considered the criterion standard, hair testing yielded poor sensitivity, ranging from a high of 65.2% (cocaine) to a low of 2.9% (opiates). Specificity of hair testing against self-report exceed 90% for all drugs.