Our information sheets are full of useful information on health issues like the early warning signs of heart disease and prostate cancer, as well as pregnancy, ovulation, drug testing and much more. Get yours free today!
How far back does hair drug testing go back for marijuana and cocaine?
The PDT-90 Hair drug test can detect back to 90 days. However this test should not be used to test for drugs taken 10-14 days prior to taking the test, as it is necessary to allow for the hair to grow.
"Because the drug kits were easy to order and read. It was for our company for our grant class. Our school is drug free, because your kits helped us keep it that way. I''m just sorry to say that at the end of this year we will no longer have any more grant classes. Also your patience with me ordering them on the phone, I can''t hear that good or understand certain things. You made it so easy to order and I could even sense your smile. You love your job as I do. It was a pleasure working with you" (Sarah M.)