Austin Pathology

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Very Long Chain Fatty Acids

Alternate Names
LCFA, Arachadonic Acid, Linolenic Acid, Non-Esterified Fatty Acids, VLCFA, Phytanic Acid
Ordering Information
Please note: This service is not Medicare rebatable and patients may be charged. Out of Pocket cost - $217.00
 
Fee above is an indication only; please contact testing laboratory for up-to date cost.
Laboratory
Referred Test
Specimen
Blood
Container
EDTA (purple)
Collection Instructions
Place tube on ice & send to laboratory immediately
Minimum Adult Volume
5mL
Minimum Paediatric Volume
1mL
Notes

Minimum 250 µL of EDTA plasma is required.

Frequency
Fortnightly
Reference Interval
  C26:0/C22:0 Ratio C24:0/C22:0 Ratio
Normal < 0.035 0.550 - 1.150
Heterozygote 0.024 - 0.123 1.066 - 1.905
Hemizygote 0.057 - 0.320 1.432 - 2.589
Test Code
VLCFA
Container ID
ES, EL, LHNG
Opt. Container
Lithium Heparin - No Gel (green)
Storage Instructions
Aliquot and freeze as soon as possible
Additional (Storage) Instructions

Instructions for: Metropolitan & Regional Laboratories

  • Store plasma aliquots frozen at -20°C.
  • Store primary tubes refrigerated at 4°C.
Transport Instructions
Transport frozen
Additional Transport Instruction

Instructions for: Regional Laboratories

  • Transport EDTA plasma aliquots frozen in biofreeze bottles.
Laboratory Notes

Instructions for: Metropolitan & Regional Specimen Receptions

  • Centrifuge, aliquot, and freeze plasma.

Instructions for: Heidelberg Specimen Reception

  • Place frozen aliquots in frozen (-20°C) Sendout tub.
External Laboratory
Biochemical Genetics, National Referral Laboratory, Adelaide Women & Children's Hospital