Know About Marijuana Blood Test

By | February 16, 2011

Marijuana drug test is conducted at workplaces, home, schools, and other organizations. Various types of marijuana drug test can be administered including urine test, blood test, saliva test, and hair test. Each one has its own advantages. Let us know something about marijuana blood test.

A trained health professional is required to take blood sample from the user. It is an invasive method and hence cannot be conducted at home. The test detects the presence of marijuana instead of its metabolites. Marijuana is available in blood only for 12 to 24 hours after consumption. So the test can be used to check recent drug use. It is helpful in performing marijuana blood test in cases of post-accidents at workplaces for estimating marijuana consumption.

Laboratory analysis is required for getting results from blood test. The results are obtained only after four to six days of test. As it requires laboratory processing, the cost of marijuana blood test is higher than all other types of tests. Therefore, it is only conducted in emergency situations like accidents at road or workplaces.

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