Amino acid profile, quantitative, plasma-13574

Test info

  
Amino acid profile, quantitative, plasma
  
13574
  
LAB13574
  
AAQ
  
Amino acid profile, qn, plasma
  
  • 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

Specimen

  
Sodium heparin (Na hep) plasma
  
  
0.5 mL
  
0.15 mL
  
  1. Spin,
  2. Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4 mL (LabCorp)
  3. Freeze
  
Lithium heparin (Li hep) plasma
EDTA plasma
Serum
  

Frozen (strict) - 14 days

  
  • Gross hemolysis
  • Ambient/room temperature or thawed specimens
  • Specimens collected in yellow-top (ACD) tubes

Performance

  
LabCorp Burlington (700068): R-LC
  
Mo - Fr
  
3 - 6 days
  

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

Clinical and Interpretive info

  

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

Billing

  
82139
  
Result 20657-3

Tracking

  
03/27/2019
  
02/08/2021
  
02/12/2021