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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes False Positive Results For Morphine While On Hydrocodone?

My drug screen shows a positive for morphine it also shows negative for hydrocodone . I usually take one two times a day hydrocodone 10 acetaminophen and at times codine 300mg acetaminophen 1 or 2 times for chronic pain. My drug screen shows positive for morphine which I do not take and neg for hydrocodone. Can you explain the posotive for morphine which I do not take?
Thu, 2 Apr 2015
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What Causes False Positive Results For Morphine While On Hydrocodone?