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Norfentanyl

Description Fentanyl is predominantly metabolised in the liver to norfentanyl which is inactive. The metabolite is excreted in the urine over few days. 
Therapeutic Low 0.0000
Therapeutic High 0.0000
Units ug/mL 
Specimen
Half Life Low 0.00
Half Life High 0.00
VOD Low 0.00
VOD High 0.00
Toxic Level 0.000
Lethal Level 0.000
Plasma to Whole Blood ratio 0.00
Warnings