iIf Vicodin (hydrocodone) is prescribed and we screened and confirmed Opiates (our opiate screen contains hydrocodone and hydromorphone, Hydromorphone – is metabolite of hydrocodone), can I code it as 82646 (dihydrocodinone) and 82649 (dihydromorphinone)since we are testing for both drugs in the confirmation. Or is the right thing to only bill for one? Additionally, does it matter if any of the results are positive or negative, since we are confirming a positive