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Laboratory Test Directory

Fatty Acids, Long Chain

Components

Name Method Department Units
Fatty Acids, Long Chain Colorimetric assay
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Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Purple tube (EDTA)

3 mL 3 mL
Stability

Room temperature - 48 hour(s)

Specimen Preparation

  • Transport to laboratory as soon as possible
  • Mix by gentle inversion immediately after collection

Plasma Spun

Container Type Container Size Specimen Volume
Alternate

Purple tube (EDTA)

3 mL 1.5 mL
Stability

Frozen - 12 month(s)
Refrigerated - 1 month(s)
Room temperature - 2 week(s)

Specimen Preparation

  • Centrifuge, remove plasma/serum and refrigerate

Reasons for Rejection

  • Collected in tube with gel separator

Comments

Test includes phytanic and pristanic acids. Fasting or preprandial specimen optimal.

CPT Code

  • 82726