Carboxy tetrahydrocannabinol cutoff:MCnc:Pt:Urine:Qn:Confirm
carboxy tetrahydrocannabinol cutoff:mcnc:pt:urine:qn:confirm
Carboxy tetrahydrocannabinol cutoff Confirm (U) [Mass/Vol]
carboxy tetrahydrocannabinol cutoff confirm (u) [mass/vol]