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What Causes False Positive Drug Result For Oxycodone While On Hydrocodone?

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Posted on Wed, 26 Aug 2015
Question: I had drug test and came back positive for oxycodone and hydrocodone but only have been taking hydrocodone,is this possible. YYYY@YYYY
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Answered by Dr. Ronald Schubert (42 minutes later)
Brief Answer:
metabolism of hydrocodone may make oxycodone

Detailed Answer:
Thank you for contacting HCM with your health care concerns.

You recently had a drug urine test that showed positive for both hydrocodone and oxycodone despite you only taking hydrocodone. There is a small possibility that during the metabolism of the hydrocodone that it was transformed into oxycodone. Though the metabolic by products of hydrocodone is usually hydromorphone or dilaudid which can be picked up in urine drug screens

I hope this answers your question. Please contact us again with any further medical questions
Note: For further follow up on related General & Family Physician Click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Ronald Schubert

General & Family Physician

Practicing since :1984

Answered : 2407 Questions

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What Causes False Positive Drug Result For Oxycodone While On Hydrocodone?

Brief Answer: metabolism of hydrocodone may make oxycodone Detailed Answer: Thank you for contacting HCM with your health care concerns. You recently had a drug urine test that showed positive for both hydrocodone and oxycodone despite you only taking hydrocodone. There is a small possibility that during the metabolism of the hydrocodone that it was transformed into oxycodone. Though the metabolic by products of hydrocodone is usually hydromorphone or dilaudid which can be picked up in urine drug screens I hope this answers your question. Please contact us again with any further medical questions