Collection Notes: Serum and plasma (EDTA and heparinized) are the recommended sample types for this assay
Clinical Utility: Pernicious anemia is a macrocytic anemia caused by Vitamin B12 deficiency that is due to lack of intrinsic factor.
Serum (1 mL)
Ambient 8 Hours
Refrigerated 4 Days
EDTA plasma (1 mL)
Ambient 8 Hours
Refrigerated 4 Days
Lithium heparin plasma (1 mL)
Ambient 8 Days
Refrigerated 4 Days
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