Alanine, a-amino-n-butyric acid, a-aminoadipic acid, anserine, arginine,
argininosuccinic acid, aspartic acid, b-alanine, b-aminoisobutyric acid, carnosine, citrulline,
cystathionine, glutamic acid, glutamine, glycine, histidine, homocystine, hydroxylysine, isoleucine,
leucine, lysine, methionine, 1-methylhistidine, 3-methylhistidine, ornithine, phosphoethanolamine,
proline, sarcosine, serine, taurine, threonine and valine.
Monday - Friday, 0800 - 1700.
Durable, tightly sealed plastic container (not a urine cup).
Random urine, morning specimen preferred. Freeze without preservative.
Interpretive Reference Range:
Subjective interpretation based on amino acid amounts and pattern.
Examining for disorders of amino acid metabolism or transport.
Ion exchange chromatography (amino acid analyzer).