Fatty acids profile

Alphabetical Test listing

Fatty acids profile-994

  
Fatty acids profile
  
994
  
LAB994
  
MSO
  
BCFA
VLCFA
  

Initial test to screen for disorders of peroxisomal biogenesis and/or function, including X-linked adrenoleukodystrophy and Zellweger syndrome.

  

Fasting specimen is preferred.

  
Heparin plasma
  

Dk green heparin (Li or Na), no gel

 

 

  
0.5 mL
  
0.2 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 the appropriate plasma type
  3. Freeze within 45 minutes of specimen collection
  
EDTA plasma
  
  

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 EDTA plasma 
  3. Freeze within 45 minutes of specimen collection
  

Clinical information is needed for appropriate interpretation. Additional required information includes:

  • age
  • gender
  • diet (e.g.TPN therapy)
  • drug therapy
  • family history
  

Frozen (preferred) - 1 month

Refrigerated - 72 hours

Ambient - 24 hours

  
  • Specimens exposed to more than one freeze/thaw cycle
  • Specimen outside of posted stabilities
  
ARUP Laboratories Inc (2004250) via LabCorp (821402): R-NX
  
Tu
  
3 - 9 days
  

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

  

An interpretive report will be provided

  
82726
  
Result 49263-7
  
05/29/2019
  
05/29/2019
  
08/22/2022