Department of Laboratory Medicine
Test Directory

[ Test Name Index ]

[ Home & References ]

Amino acids, plasma

Lab Section:  Sendout Reference  
Lab Location:  Sendout
Reference Lab: ARUP 
Test ID: LAB811 
Methodology: Quantitative Liquid Chromatography/Tandem Mass Spectrometry
Schedule: Monday-Fridays
Reported: 10 days for routine orders.
Specimen Requirements:  Collection: 2.0 mL Lithium Heparin tube also acceptable.
Pediatric volume: 1.0 mL.
Adults: Fasting specimen preferred. Infants and children: Draw specimen prior to feeding or 2-3 hours after a meal.
Handling: Separate plasma from cells ASAP or within 2 hours of collection..
Unacceptable conditions: Hemolyzed specimens.
Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month


Clinical Indications: Clinical information is needed for appropriate interpretation. Additional required information includes age, gender, diet (e.g., TPN therapy), drug therapy, and family history. Biochemical Genetics Patient History Form is available on the ARUP Web site at or by contacting ARUP Client Services.

Reference Interval:  See patient report or consult reference laboratory website.
CPT Code(s): 82139
Last Changed: 10/04/2016 21:05:32
Last Reviewed: 12/21/2016 03:06:17