AMINO ACIDS, URINE, QUANTITATIVE

Test Documentation
Specimen Required
First morning urine preferred. Collect random urine. Send 8.0 mL urine (3.0 mL minimum) frozen in a screw-capped plastic urine container. CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Methodology
Quantitative Liquid Chromatography/Tandem Mass Spectrometry

Stability
Room Temperature: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month

Reference Range
By report

Performed
Monday-Friday

Turnaround Time7-10 days
Test CodeUAAQA
CPT-4 Code (s)
82139
LOINC Codes
Serine, Urine   30058-2  
Lysine, Urine   30048-3  
Glutamine, Urine   30056-6  
Asparagine, Urine   28603-9  
Hydroxyproline, Urine   28601-3  
Aspartic Acid, Urine   30061-6  
Methionine, Urine   30063-2  
Tyrosine, Urine   30054-1  
Isoleucine, Urine   30052-5  
Amino Acids, Urine Interpretation   49250-4  
Histidine, Urine   30047-5  
Glutamic Acid, Urine   30059-0  
Citrulline, Urine   30161-4  
Cystine, Urine   30065-7  
Alanine, Urine   30068-1  
Leucine, Urine   30053-3  
Phenylalanine, Urine   30055-8  
Taurine, Urine   28595-7  
Homocystine, Urine   30051-7  
Ornithine, Urine   30049-1  
Glycine, Urine   30066-5  
Arginine, Urine   30062-4  
Proline, Urine   30067-3  
Valine, Urine   30064-0  
Threonine, Urine   30057-4  
Alpha-amino butyric acid, Urine   28590-8  
Alpha-aminoadipic acid, Urine   28598-1  
Argininosuccinic Acid, Urine   32229-7  
Beta-amino isobutyric acid, Urine   28602-1  
Beta-alanine Urine   28588-2  
Ethanolamine, Urine   28605-4  
Gamma-amino butyric acid, Urine   28593-2  
Sarcosine, Urine   28610-4  
Tryptophan, Urine   28608-8  
Anserine, Urine   28596-5  
Cystathionine, Urine   28599-9  
Homocitrulline, Urine   32248-7  
Hydroxylysine, Urine   30050-9  

Warde
Medical
Laboratory