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A member asked:

Are there reasons why a person would test negative for hydrocodone even though they took it?

A doctor has provided 1 answer
Dr. Creighton Wright answered

Specializes in surgery

Possible: Did not take. Was not active medication. Bad test. Time to excrete passed. Other contaminant or competing agent. Bunch of possibles.

Dr Ailloni-Charas agreed

Answered 3/6/2016

4.4k views

Thank

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