Drug testing laboratory Quest Diagnostics reported Wednesday that about 6,000 out of 5.5 million drug tests last year showed evidence of workers swapping urine. That’s up by 633% from the 0.015% ...

A record number of U.S. workers are cheating on employer drug tests ... at Quest, told CBS MoneyWatch. "That's why it was founded — to ensure workplace safety." Quest's analysis of lab data ...

It was only two vials and one urine sample ... you take the kit to your local Quest Diagnostics lab. Steps for a successful Quest Health test kit sample and results Purchase a general health ...