Amino Acids Quantitative, Plasma AAQ
Method(s) | Quantitative Liquid Chromatography/Tandem Mass Spectrometry |
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Specimen Required | |
Collect | One 3 mL green (sodium or lithium heparin) top tube. |
Transport | 0.5 mL plasma, frozen. (Min: 0.25 mL) |
Remarks | CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. Adults: Fasting Specimen Preferred. Infants/Children: Draw specimen prior to feeding or 2-3 hours after a meal. Separate plasma from cells ASAP and avoid transferring buffy coat material. Freeze ASAP. Clinical information is needed for appropriate interpretation. Additional required information includes age, gender, diet (e.g., TPN therapy), drug therapy, and family history (use Patient History for Biochemical Genetic Testing form; see below). |
Stability | After separation from cells: Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month |
Unacceptable Conditions | Hemolyzed samples. |
Schedule | Mon-Fri |
Billing Code | 5010096 |
CPTCode | 82139 |
Notes | Biochemical Genetics Patient History Form is also available from Customer Service at (315) 461-3008. |
Preferred Specimen Collection Device(s) | |
Reference Interval | |
See Laboratory Report |