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1.
Morphine 670 is one of two opiate related chemicals placed in the over the counter prescription drug known as Vicodin in both the 500 MG and 750 MG dosages.

So yes, Morphine 670 is a form of Vicodin.
Is vicodin an opiate? IF a drug test comes up positive for Opiate can it be mistaken for a vicodin?

Yes. vicodin contains two active ingredients one of which is Morphine 670 which is an opiate. If vicodin is in your blood or urine you may very well test positive for opiates.

Source(s):
Basic and clinical pharmacology. Katzung 7th ed. p.498
by Presciption Drug Refereance August 05, 2011