Amino acid profile, quantitative, plasma
Amino acid profile, quantitative, plasma-13574
- Diagnosis and monitoring of inherited aminoacidurias, organic acidurias, and urea cycle defects
- May be used as a follow-up confirmatory test to some abnormal newborn screen results
- Spin,
- Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4 mL (LabCorp)
- Freeze
EDTA plasma
Serum
Frozen (strict) - 14 days
- Gross hemolysis
- Ambient/room temperature or thawed specimens
- Specimens collected in yellow-top (ACD) tubes
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Note: Plasma reference ranges will be applied to all specimen types
Taurine: 29.2 - 132.3 µmol/L
Aspartate: 0.0 - 7.4 µmol/L
Hydroxyproline: 4.7 - 35.2 µmol/L
Threonine: 67.8 - 211.6 µmol/L
Serine: 48.7 - 145.2 µmol/L
Asparagine: 29.5 - 84.5 µmol/L
Glutamate: 18.1 - 155.9 µmol/L
Glutamine: 372.8 - 701.4 µmol/L
Sarcosine: 0.0 - 4.0 µmol/L
Alpha-aminoadipate: 0.0 - 1.9 µmol/L
Proline: 84.8 - 352.5 µmol/L
Glycine: 144.0 - 411.0 µmol/L
Alanine: 209.2 - 515.5 µmol/L
Citrulline: 15.6 - 46.9 µmol/L
Alpha-aminobutyrate: 5.4 - 34.5 µmol/L
Valine: 133.0 - 317.1 µmol/L
Cystine: 15.8 - 47.3 µmol/L
Methionine: 14.7 - 35.2 µmol/L
Homocitrulline: 0.0 - 1.7 µmol/L
Cystathionine: 0.0 - 0.7 µmol/L
Alloisoleucine: 0.0 - 3.2 µmol/L
Isoleucine: 32.8 - 88.3 µmol/L
Leucine: 66.7 - 165.7 µmol/L
Tyrosine: 27.8 - 83.3 µmol/L
Phenylalanine: 35.8 - 76.9 µmol/L
Argininosuccinate: 0.0 - 3.0 µmol/L
Beta-alanine: 1.1 - 9.0 µmol/L
Beta-aminoisobutyrate: 0.0 - 4.3 µmol/L
Homocysteine: 0.0 - 0.2 µmol/L