What does it mean when a drug test swab does not turn blue?

What does it mean when a drug test swab does not turn blue?
Brittany Bartow Answered Last

How to pass a swab test?

Passing a stab test is the easiest drug test to pass! Here's how it's done, first STOP DOING ALL DRUGS IMMEDIATELY! Obviously the longer you haven't done anything the better. … (MORE)

In Health

What does drug test PPX mean?

Propoxyphene (PPX) is a drug often prescribed to treat pain and is related structurally to methadone. Propoxyphene is generally taken orally and its effects peak in 1 - 2 hour… (MORE)

Different Marijuana Drug Tests

Marijuana is the most widely used illegal substance. THC, or tetrahydrocannabinol, is the active ingredient in marijuana and one of the oldest hallucinogens in the world. Beca… (MORE)