It does not identify which opiate is present. Confirmation and quantitation of positives require another method and will be done by request. A qualitative urine screen for opiates is performed in suspected overdose cases or as part of a drug of abuse program. Morphine is a prescribed drug for pain relief, a metabolite of heroin, a metabolite of codeine and a constituent of poppy seeds. Its presence in urine, even after confirmation, must be interpreted very carefully.
Opiates tend to relax the user.
Other initial and unpleasant effects include restlessness, nausea, and vomiting. With very large doses, the user cannot be awakened, pupils become smaller, and the skin becomes cold, moist, and bluish in color. Furthermore, breathing slows down and death may occur. Clearance may be slower in geriatric patients. Urine Preferred Vol.