Test Code (รหัสการทดสอบ):
Order Name (ชื่อการทดสอบ):
Amphetamine/ Methamphetamine (Urine), EIA *
Clinical Information (ข้อมูลทางคลินิก):
Amphetamines are synthetic derivatives of ephedrine. The most common amphetamines include d-amphetamine, d-methamphetamine, and d,/-amphetamine. They act as stimulants for the central nervous system.
Amphetamine is the most sympathomimetlc amine.
Amphetamines are readily absorbed from the gastrointestinal tract and are then either deactivated by the liver, or excreted unchanged in the urine. Normally. amphetamine is excreted as 30% unchanged in the 24 hour urine, depending on the urinary pH. The remainder is excreted as metabolites.
Methamphetamine is normally excreted up to 43% unchanged in the 24 hour urine. The remainder is excreted as metabolites including amphetamine, its major active metabolite. Amphetamines appear in the urine within three hours after any type of administration, and can be detected for as long as 24 to 48 hours after the last dose.
Reference Value (ค่าอ้างอิง):
Negative (Cut off < 1,000 ng/mL)
Clinical Reference (เอกสารอ้างอิง):
Manufacturer’s reagent package insert, Architect Amphetamine/Methamphetamine, Microgenics
Corporation 46500 Kato Road, Fremont, CA 94538 USA., November 2017.