Vitamin B12

NameVitamin B12
Tube TypeSerum (Gold top)
Reporting Unitspg/mL
Reference RangeAll191 – 663
Analytical Range30 – 2000
AvailabilityNDDH (Mon-Fri)
Target turnaround time1 working day
Special requirements & notesDo not request if patient has regular B12 injections
Patient preparationIf taking supplements, do not take in the 8 hours prior to blood test – may contain agents which affect the analysis
Volume required1 tube (4ml)
If delayed transport to lab, store:Centrifuged, in refrigerator
Factors affecting result interpretation
Time limit for add on test3 days
Pathology disciplineBiochemistry
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Posted in Assay.

Last updated: June 6, 2019