how long does pills stay in your system
Codeine - 1 day in urine, up to 90 days in hair, 12 hours in blood. Fentanyl - 1 day in urine, up to 90 days in hair, 4 hours in blood. Morphine - 2 -3 days in urine, up to 90 in hair, 6 - 8 hours in blood. Heroin - 3 to 4 days in urine, up to 90 in hair, up to 12 hours in blood.