The term you may be looking for is "hair follicle drug test."
A hair follicle drug test is a type of drug test that analyzes the hair shaft for the presence of drugs. The hair sample can be taken from the scalp, armpits, or pubic area. This test is more accurate than a urine test and can detect drug use for up to 90 days.
It's important to note that this test does not analyze "elimination" in any way. It examines the hair follicle for drug residue that has been absorbed from the bloodstream over time.
If you have any further questions about drug testing, it's always best to consult a medical professional or a certified drug testing laboratory.