Vitamin B12 Cyanocobalamin Serum

Vitamin B12 Level*


Vitamin B 12 along with folate is essential for DNA synthesis and myelin formation.

Vitamin B 12 deficiency can result due to nutritional deficiency, malabsorption and other gastrointestinal causes.

The test is ordered primarily to help diagnose the cause of macrocytic/ megaloblastic anaemia

Decreased levels are seen in anaemia, vegetarianism, partial gastrectomy/ ileal damage, celiac disease, with oral contraceptive use, pancreatic deficiency, smoking, hemodialysis and advancing age.

Increased levels are seen in renal failure, hepatocellular disorders, myeloproliferative disorders and at times with excess supplementation of vitamins pills.

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