CPT Code:

82139

Test Includes:

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.

Availability:

Monday - Friday, 0800 - 1700.

Turnaround Time:

1 week.

Minimum Volume:

2.0 mL.

Container:

Durable, tightly sealed plastic container (not a urine cup).

Specimen Handling:

Random urine, morning specimen preferred. Freeze without preservative.

Interpretive Reference Range:

Subjective interpretation based on amino acid amounts and pattern.

Use:

Examining for disorders of amino acid metabolism or transport.

Methodology:

Ion exchange chromatography (amino acid analyzer).