Laboratory Medicine
Test catalogue
Vitamin B12 | |
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Test NameVitamin B12 |
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Specimen Type/RequirementsContainer Type = 1 Gold Top Minimum Testing Volume = 3 ml Blood |
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Specimen HandlingCollection Instructions: Collect sample in gold top tube. Ensure both samples and requisitions are labelled properly. Write your initials, date and time of collection on the collection label or requisition. Laboratory Staff Instructions: Separate samples from cells as soon as possible. Thaw sample only once Rejection Criteria: Grossly hemolyzed and icteric samples, Unlabeled or Not Sufficient Quantity samples will be rejected. Stability: Stable at room temperature for 8 hours, refrigerated for 24 hours, or frozen at -20oC for 3 months. Transportation: Send sample to core lab as soon as possible. |
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Required DocumentationRegular HIS order or Biochemistry requisition required. |
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Turnaround Time (TAT)1 hour for Trauma/Stat and 2 hours for routine. |
Test Utilization |
Reference ValueTherapeutic: Normal 110 – 630 pmol/L; Indeterminate 110 – 132 pmol/L; Deficient < 110 pmol/L |
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Test CodeB12 |
MethodologyCompetitive Binding Immunoenzymatic Assay |
Testing LocationSMH-Biochemistry |
Other Information
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