Specimen

Random Urine

Collection Medium:

Minimum:

Preferred minimum: 2 mL aliquot from random urine
Absolute minimum: 1 mL aliquot from random urine

Delivery Instructions:

Deliver to laboratory immediately after collection.

Analytic Time:

7 working days

Reference Range:

Age-dependent reference values

Comments:

Include family history, clinical condition (asymptomatic or acute 
episode), diet, and drug therapy information.  Patient's age is 
required on request form for processing.

Methodology:

Ion-Exchange Chromatography, Quantitative
Includes quantitation of the following amino acids: taurine, threonine, 
serine, asparagine, glutamic acid, glutamine, proline, glycine, 
alanine, citrulline, a-aminoadipic acid, a-amino-N-butyric acid, 
valine, cystine, cystathionine, Methionine, Isoleucine, Leucine, 
Tyrosine, Phenylalanine, b-alanine, b-aminoisobutyric acid, ornithine, 
lysine, 1-methylhistidine, histidine, 3-methylhistidine, carnosine, and 
arginine.

CPT Code:

82139

See Additional Information:
Specimens Requiring Immediate Delivery
Urine Tests Requiring no Preservatives