A VITAMIN B12 TEST MEASURES THE AMOUNT OF VITAMIN B12 IN YOUR BLOOD. VITAMIN B12 IS ESSENTIAL FOR RED BLOOD CELL FORMATION, NERVE FUNCTION, AND DNA SYNTHESIS. THIS TEST HELPS DIAGNOSE VITAMIN B12 DEFICIENCY, WHICH CAN CAUSE ANEMIA, FATIGUE, WEAKNESS, AND NEUROLOGICAL SYMPTOMS. ITS OFTEN RECOMMENDED FOR PEOPLE WITH CERTAIN MEDICAL CONDITIONS, OLDER ADULTS, VEGANS, AND VEGETARIANS WHO MAY BE AT HIGHER RISK FOR DEFICIENCY.
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3 ML (1 ML MIN.) SERUM FROM 1 SST. SHIP REFRIGERATED OR FROZEN. WRAP IN ALUMINIUM FOIL TO PROTECT FROM LIGHT. OVERNIGHT FASTING IS PREFERRED.
CLIA/ECLIA
2HRS
OVERNIGHT FASTING IS PREFERRED. WRAP SAMPLE IN ALUMINIUM FOIL TO PROTECT FROM LIGHT.