Austin Pathology

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Very Long Chain Fatty Acids

Alternate Names
LCFA, Arachadonic Acid, Linolenic Acid, Non-Esterified Fatty Acids, VLCFA
Laboratory
Referred Test
Specimen
Blood
Container
Lithium Heparin - No Gel (green)
Additional Collection Instructions

Do not collect on a Friday.

Either collect and send lithium heparin on ice (preferred), or collect and send EDTA at room temperature.

Minimum Adult Volume
5mL
Minimum Paediatric Volume
None
Frequency
Once a fortnight
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