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
  

Immediately following collection, mix sample by inverting 5 - 10 times to prevent clotting.

  
  1. Spin within two (2) hours of sample collection
  2. Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4 mL (LabCorp), labelled as Na hep plasma
  3. Freeze
  
Lithium heparin (Li hep) plasma
EDTA plasma
Serum
  

Gold:

  1. Immediatley following collection, mix sample by gently inverting 5 times

Lavender:

  1. Immediatley following collection, mix sample by inverting 8 - 10 times to prevent clotting.

Dk green Li hep:

  1. Immediately following collection, mix sample by inverting 5 - 10 times to prevent clotting.

 

 

  

Gold:

  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within two (2) hours of sample collection
  3. Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum

Red:

  1. Allow sample to clot
  2. Spin within two (2) hours of sample collection
  3. Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum

Lavender/Dk green:

  1. Spin within two (2) hours of sample collection
  2. Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as EDTA or Li hep plasma
  

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

  

See report

Note: Plasma reference ranges will be applied to all specimen types

 

Billing

  
82139
  
Result 20657-3

Tracking

  
03/27/2019
  
12/31/2023
  
12/31/2023