Amino Acids Quantitative, Urine AAQU
Method(s) | Quantitative Liquid Chromatography/Tandem Mass Spectrometry |
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Specimen Required | |
Collect | First-morning urine is preferred. Random urine. |
Transport | 4 mL aliquot from a well-mixed random urine, frozen. (Min: 3 mL) |
Remarks | CRITICAL FROZEN. As soon as possible after urine has been obtained, mix the collection well and freeze. Avoid dilute urine when possible. Clinical information is needed for appropriate interpretation. Additional 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 | Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month |
Schedule | Mon-Fri |
Billing Code | 5010711 |
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 |