Amino Acid, Urine Quantitative

Test Code: TD_4317

CPT Code(s): 82139

$199

Test Details

Alternative Name(s)

Metabolic screen-urn amino acid qnt
Quantitative urine amino acid
Urine amino acid, quantitative 24hr

Test Includes

Creatinine, Urine Alpha-Aminobutyric Acid Alpha-Aminoadipic Acid Alanine Anserine Arginine Argininosuccinic Acid Asparagine Aspartic Acid Beta-Aminoisobutyric Acid Beta-Alanine Citrulline Cystathionine Cystine Ethanolamine Gamma-Aminobutyric Acid Glutamic Acid Glutamine Glycine Histidine Homocitrulline Hydroxylysine Hydroxyproline Isoleucine Leucine Lysine Methionine Ornithine Phenylalanine Proline Sarcosine Serine Taurine Threonine Tryptophan Tyrosine Valine Amino Acid Interp

Methodology

Liquid chromatography-tandem mass spectrometry (LC-MS/MS)

Rejection Criteria

Room temperature samples

Reference Range(s)

By Report

Specimen Requirements

Preferred Specimen

Urine collection container

Minimum Volume

3 mL urine

Sample Stability

Unacceptable room temperature
1 day refrigerated
1 month frozen

Transport Temperature

Critical Frozen (cfz)

Collection Instructions

4 mL aliquot from a well-mixed random urine. First morning
specimen preferred. Freeze. Critical Frozen (CFZ).
A completed history form is required (include patient diet,
(i.e. Tpn therapy) drug therapy and family history). When
multiple tests are ordered, submit separate sample for
this test.

Alternative Specimen

N/A