1 Any common address format should work. Try Address, City, State, City, State or a Zip Code.  Choose your vehicle. Select a vehicle from our list or enter your vehicle information if you know your fuel economy and tank size.
For the pain management panel only, regardless of the screen results, GC/MS confirmation for the following drugs are completed and reported individually as positive/negative with a detection limit of 100 ng/mL: morphine, codeine, oxycodone, oxymorphone, hydrocodone, hydromorphone.
Diphenhydramine or Benadryl, can cause a false positive for PCP. As far as causing a false positive for opiates, I do not think so. I took 3 benadryl last night and took a 6-p â¦ anel urine test this afternoon, I did not come up positive for opiates. + 3 others found this useful.uboxone can test positive for opiates, as it contains buprenorphine, a mixed agonist-antagonist opiate. Suboxone also contains naloxone, an opiate antag onist.