AA QT U
Amino Acid, Quantitative, Urine
EPIC Test Procedure Code: LAB3638
Performing Lab:
Referral Laboratory
Container Type:
Plastic urine container without preservative
Specimen Type:
Random urine collection
Preferred Volume:
5 mL
Minimum Volume:
0.2 mL
Collection Procedure:
Specimen must be frozen.
Specimen Processing:
To avoid delays in turn around time when requesting multiple
tests on frozen samples, submit separate frozen samples for each
test requested.
Store and Transport:
Frozen
Stability:
Frozen - 14 days
Refrigerated - unstable
Room temperature - unstable
Unacceptable Condition:
Specimens received at the testing laboratory at room temperature or thawed will be rejected.
CPT Codes:
82139 - Amnio Acid Profile Urine (EAP 30021408)
Method:
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Test Includes:
Alanine; Alloisoleucine; Alpha-aminoadipate; Alpha-aminobutyrate; Arginine; Argininosuccinate; Asparagine; Aspartate; Beta-alanine; Beta-aminoisobutyrate; Citrulline; Cystathionine; Cystine; Gamma-aminobutyrate; Glutamate; Glutamine; Glycine; Histidine; Homocitrulline; Homocysteine; Hydroxylysine; Hydroxyproline; Isoleucine; Leucine; Lysine; Methionine; Ornithine; Phenylalanine; Proline; Sarcosine; Serine; Taurine; Threonine; Tryptophan; Tyrosine; Valine.