Some are, but urine samples are more common.
Drugs, Urine Drugs, Urine
Both
A regular blood test will not show drugs in your system. Someone has to order a specific test in order to identify any drugs in your system.
They take your blood - usually 90 - 95% and test it for drugs
no
yes
by blood test.....
Urine, blood and hair are commonly tested for drugs.
Standard Tuberculous test doesn't include testing for drugs but also any blood sample can be tested for drugs.
Yes, but they don't do it often.
No. Don't do drugs.
That absolutly makes no sense. So, stop doing drugs!!