A member asked:

Will i pass a hair follicle drug test if i smoked almost 40 days ago?

A doctor has provided 1 answer
Dr. Troy Ross answered

Specializes in Occupational Medicine

Might get picked up: Hair testing for drugs can show positive results for up to 90 days in the past.

Answered 11/24/2013

4.7k views

Thank

Related Questions

A member asked:

Can it be possible for you to pass a hair follicle test for drugs?

A doctor has provided 1 answer