Phenylalanine, quantitative, plasma

Alphabetical Test listing

Phenylalanine, quantitative, plasma-994

  
Phenylalanine, quantitative, plasma
  
994
  
LAB994
  
MSO
  

This test is not to be used for newborn screening

  
Sodium heparin (Na hep) plasma
  
  
0.5 mL
  
0.3 mL
  

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10 times to prevent clotting

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

Frozen (strict) - 14 days

Ambient - NO

Refrigerated - NO

  
  • Gross hemolysis
  • Specimens receive at ambient (room) temperature
  • Thawed specimens
  
LabCorp Burlington (700205): R-NX
  
Mo - Fr
  
3 - 5 days
  

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

  

35.8 - 76.9 Umol/L

  
82131
  
01/07/2021
  
01/11/2021
  
04/06/2022