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Family Physician
Family Physician, Board Certified MRO
Category: Drug Testing
Satisfied Customers: 12630
Experience:  Medical Review Officer - Physician Trained and certified in drug test interpretation
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what can cause a false positive for oxycodone on a drug screen

Customer Question

what can cause a false positive for oxycodone on a drug screen i have taken
Submitted: 3 years ago.
Category: Drug Testing
Expert:  Family Physician replied 3 years ago.
Thank you for your question:

What type of drug test?

Do you know if the test was confirmed with GC/MS (Gas chromatography-mass spectroscopy)?

Why was the test done?

Did you ever use oxycodone?

Were you taking any other medications?
Customer: replied 3 years ago.

it was a ramdom drug test and ive been taking hydrocodone for over a year and been taking multible vitamins, b12,b6, ect. ive also been taking phentermine for weight loss and different types of energy drinks. i also have been taking a vitamin called ageless male its suppose to boost testostorone

 

 

 

Expert:  Family Physician replied 3 years ago.
Thank you for the additional information:

If the test was done with immunoassay technology (such as the dipstick or point of collection test), there are a number of medications that can cause false positive. To be scientifically/legally defensible, the test should be confirmed with GC/MS. This technology essentially produces a "chemical fingerprint" of the specimen eliminating the false positive issue.

You should ask to have the specimen confirmed with GC/MS to eliminate the issue of false positives.

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