Drug testing became popular in many places like the schools, offices, traffic incidents and for legal proceeding. The main reason for the increased popularity of these drug tests is the increased number in the people who are abusing the drugs. Irrespective of all the age groups this drug abuse is becoming a habit for each and every individual. Hence the need for the drug test is also increasing.
For now let us know about the dip strip drug test of marijuana using the method of urinalysis. This test is based on the principle of competitive antibody binding, a highly accurate immuno chemical reaction between antigens and antibodies. In this test the cut off for marijuana is 50ng/ml of THC metabolites, as set by SAMHSA. This method is fast, reliable, and inexpensive and the results are obtained in 3-5 minutes.
Procedure: The sample of urine has to be collected in a non metal sterile container. The strip has to be removed from the foil pouch and its end has to be inserted in to the sample for 5 seconds. After 5 seconds it has to be removed from the sample and placed face up on the clean, flat surface. The results are to be read exactly after 5 minutes and the readings made after 5 minutes are not valid.
Results: In any drug test there will be three possible outcomes. Negative, positive and invalid. Similarly in this test the results are determined using the two color lines that appear on the test strip. The presence of two color lines on the test strip indicates a negative result for THC. It indicates that the THC is below 50ng/ml and is considered as passing the test.
On the other hand the appearance of any one of the two lines shows that the result is positive for THC. This is considered failing a drug test and should be sent for further testing.
The final one is the invalid result. If no clear lines appear on the strip then the test is considered as an invalid test and needs further testing.
For now let us know about the dip strip drug test of marijuana using the method of urinalysis. This test is based on the principle of competitive antibody binding, a highly accurate immuno chemical reaction between antigens and antibodies. In this test the cut off for marijuana is 50ng/ml of THC metabolites, as set by SAMHSA. This method is fast, reliable, and inexpensive and the results are obtained in 3-5 minutes.
Procedure: The sample of urine has to be collected in a non metal sterile container. The strip has to be removed from the foil pouch and its end has to be inserted in to the sample for 5 seconds. After 5 seconds it has to be removed from the sample and placed face up on the clean, flat surface. The results are to be read exactly after 5 minutes and the readings made after 5 minutes are not valid.
Results: In any drug test there will be three possible outcomes. Negative, positive and invalid. Similarly in this test the results are determined using the two color lines that appear on the test strip. The presence of two color lines on the test strip indicates a negative result for THC. It indicates that the THC is below 50ng/ml and is considered as passing the test.
On the other hand the appearance of any one of the two lines shows that the result is positive for THC. This is considered failing a drug test and should be sent for further testing.
The final one is the invalid result. If no clear lines appear on the strip then the test is considered as an invalid test and needs further testing.
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