UCSD Biochemical Genetics Veterinary Diagnostic Services
Quantitative Amino Acid Analysis (Urine, Plasma, Cerebrospinal Fluid)
Comments: Standard analysis using modern automated amino acid analyzer. We will resolve any ambiguities using an independent, two column 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.
Sample requirements: Urine, 10-20 mL (minimum 5 mL), frozen without preservatives and shipped frozen (packed with dry ice), or lyophilized and shipped at room temp with original volume specified.
Plasma, ³1 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) or lyophilized and shipped at room temperature with original volume specified.
Cerebrospinal fluid, ³1 mL (minimum 0.5 mL)[standard plastic LP tube or transferred to red top tube], frozen and shipped frozen (packed with dry ice).
Turn-around time: Routine: 6-10 working days
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