UCSD Biochemical Genetics

A Program in the Division of Genetics, Department of Pediatrics, University of California San Diego
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Test: Amino Acids
Comments:Standard analysis using modern automated amino acid analyzer. Please be aware that for accurate determination of homocystine in blood, special handling is required - you may call our lab to arrange specifically for plasma homocystine.
Specimen type:Plasma, Urine, CSF
Sample Requirements:Plasma, ≥1 mL (minimum 0.5 mL) from heparinized blood (green top tube) supernatant from clinical centrifugation (within 20 minutes) promptly frozen and shipped frozen (packed with dry ice). Urine, 10-20 mL (minimum 5 mL), frozen without preservatives and shipped frozen (packed with dry ice). Cerebrospinal fluid, ≥1 mL (minimum 0.5 mL)[standard plastic LP tube or transferred to red top tube], frozen and shipped frozen (packed with dry ice).
Turnaround time:Routine: 3-5 working days, Stat: same day.