what i need to know is ,does all opiates,morphine oxy's ,vicoden ect.all show up as just opiates or will the doctors know which pain meds i have been taking?I have to take a urine test for my pain management docter and i smoke herb.I have a cousin that takes oxy contins and doesn't smoke.I was wondering if i have him piss for me will they think i have been taking oxy's or will they all just show up as opiates??any replies are welcome.I forgot to say i'm on morphine for pain management,thats why i might be able to use my cousins urine.