Test directory: Very Long Chain Fatty Acids

Ordering Code6666
Test NameVery Long Chain Fatty Acids
AliasPeroxisomal Disorders
VLCFA
Preferred SpecimenSerum
Preferred ContainerPlain (Red)
Optimum Volume1 mL
Collection InstructionsDraw sample in the morning following an overnight fast (12- 14 hours recommended). Avoid alcohol for 24 hours prior to collection.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityAmbient: Not Stable
Refrigerated: 7 Days
Frozen: 30 Days
Rejection CriteriaAmbient, Grossly hemolyzed, Icteric, Lipemic, Serum separator tubes
Avail. StatNO
Analytic TimeUp to 2 Weeks
MethodologyLiquid Chromatography, Mass Spectrometry (LC/MS)
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
InterpretationALLSee report.
Phytanic AcidALLSee report.
Pristanic AcidALLSee report.
Docosanoic Acid, C22ALLSee report.
Tetracosanoic Acid, C24ALLSee report.
Hexacosanoic Acid, C26ALLSee report.
Ratio C24/C22ALLSee report.
Ratio C26/C22ALLSee report.
Ratio Pristanic/PhytanicALLSee report.
Discriminant FunctionALLSee report.