If taking Hydrocodone 5mg can it show up as a dirty test for Morfin?

[Groom123]

Sonin-law is taking Hydrcodone through workers comp Dr. and they require u to take a pee test and it should up dirty for Morfine ? Is this possable I no for a fact he is not taking Morfin so confused.

[SJS49]

I've taken hydrocodone for years, pain management doctor requires urine samples and I've never ever had one show up as morphine. That is very strange...I did test positive for oxycodone once, but insisted on a retest and it came back just the hydrocodone in my system.