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Test & Collection Guide

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Vitamin B12

Alternate names:
Cyanocobalamin
Laboratory:
Biochemistry
Test Code:
B12
Specimen types:
Serum
Container types:
Serum tube with gelSerum tube with gel
Collection Instructions:
Transport specimen at Room Temperature to lab
Minimum Adult Volume:
1 mL
Paediatric Minimum Volume:
0.5 mL
Notes:

Consult dietitian before requesting vitamin assays on inpatients.

Specimens for vitamin assays must be taken before dietary changes are implemented

Frequency:
Daily
Result Turnaround Time:
5 hours
Reference Interval:

145-569 pmol/L