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ID:304 Very long chain fatty acids (VLCFA/LCFA)
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DescriptionVery Long chain fatty acids (VLCFA) are fatty acids with aliphatic tails longer than 22 carbons.
IndicationInvestigation of peroxisomal disorders.
Additional InfoAssay includes pristanic and phytanic acid quantitation.
Concurrent Testsna
Dietary Requirementsna
Interpretation

DepartmentBiochemistry
SampleSerum or Heparin
TubeSerum or Heparin
Tube Picture
Collection Conditions
Min. Vol1.0 mL
Freq.Referred to external laboratory

Ref. Range (Male)See note
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range NotesC22: 30 - 112 umol/L C24: 14 - 80 umol/L C26: 0.33 - 1.50 umol/L C24/C22: 0.44 - 0.97 C26/C22: 0.006 - 0.028 Phytanic acid: 0.2 - 19.3 umol/L Pristanic acid: 0 - 1.88 umol/L
Unitsumol/L
IP Acute TAT4 weeks
IP Routine TAT4 weeks
GP Acute TAT4 weeks
GP Routine TAT4 weeks
Turnround CommentJane Dalley:camilla.scott@sch.nhs.uk

Originally edited by : RB. Review due on 17/10/2017. Published By RB on 17/10/2017.