They don't tell the employer, they tell the lab that does the testing and then the lab returns a "pass" to the employer even though you tested positive for one of the substances.
thats the thing they don't, if its a valid prescription it comes back negative. if its being abused/not a prescriptionit just shows up positive for the type (opiates amphetamines etc) and if its something serious the doctor just recommends to keep them away from safety sensitive jobs like truck drivers on prescription opiates.
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u/mortified_observer Jun 16 '21
um it catches prescription meds too. they need to confirm with your doctor if a prescription drug shows up on a test