Phenylalanine, quantitative, plasma-994

Test info

  
Phenylalanine, quantitative, plasma
  
994
  
LAB994
  
MSO
  

This test is not to be used for newborn screening

Specimen

  
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

Performance

  
LabCorp Burlington (700205): R-NX
  
Mo - Fr
  
3 - 5 days
  

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

Clinical and Interpretive info

  

35.8 - 76.9 Umol/L

Billing

  
82131

Tracking

  
01/07/2021
  
01/11/2021