fentaNYL:MCnc:Pt:Ser/Plas/Bld:Qn:Confirm
fentanyl:mcnc:pt:ser/plas/bld:qn:confirm
fentaNYL [Mass/volume] in Serum, Plasma or Blood by Confirmatory method
fentanyl [mass/volume] in serum, plasma or blood by confirmatory method