The most effective alternative to urine analysis is hair follicle drug testing. It is amongst the newer drug tests and can yield a much more precise test result. A hair follicle drug test will give a complete story of exactly what drugs the consumer has used and whether their drug use is intermittent or sustained.
Benefits of Hair Follicle Drug Tests over Urine Drug Tests
The main advantage of a hair follicle drug test is that the time detection rate is longer than that of a urine analysis. It comes with an abundance of information stored in human hair; in fact, scientists discovered drugs in mummy’s hair that dated to 1000 B.C.
If a drug user can stay away for a period of fourteen days just before a urine analysis, their drug use may well go undetected. Nevertheless, a hair follicle drug test will present what months the test individual used drugs and just how long they abstained from drug use.
How Hair Follicle Drug Testing Works
Each time a drug is consumed, it is directly absorbed into the body’s blood stream. Because hair follicles have their own blood supply, consumed drugs can be discovered in them. Their presence will stay indefinitely.
Usually hair grows approximately 1.3 cm per month. A hair follicle drug test needs a 4 cm sample. The results from this 4 cm sample will reveal the test person’s drug use over a three-month period.
How Accurate is a Hair Follicle Drug Test?
Hair follicle drug testing is incredibly precise when compared to the typical urine analysis. If a urine test is not carried out within days of drug use, they could go undiscovered. The only limitation in hair follicle drug testing is the length of the hair sample that is obtainable for testing. The UK court system recognises the reliability of hair follicle drug testing and generally accepts their results. Unions and Corporations do also.
It is advantageous for employers to use a professional organisation to carry out the testing. Some benefits include:
- Professionalism used in administering testing
- Random tests can be set-up for employers to spot check their employees
- Correct hair length sample is obtained directly from the test individual at the clinic and a rigid chain-of-command protocol is started to assure that the test results are accurate.
- Clinics can test for and rule out the chance of outside contamination
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