Vitamin B12 (Vit B12, B12)
Cyanocobalamin, Methylcobalamin
Overview
Interpretations

Overview of Vitamin B12

What is Vitamin B12?

A vitamin B 12 test is ordered when you have an abnormal complete blood count (CBC) with a blood smear showing large red blood cells (macrocytosis) or abnormal (hypersegmented) neutrophils; when you have symptoms of anemia (weakness, tiredness, pale skin) and/or of neuropathy (tingling or itching sensations, eye twitching, memory loss, altered mental status); when you are being treated for vitamin B12 or folate deficiency.

Sample Type

The sample type collected for Vitamin B12 is: Blood

Preparation for Vitamin B12

  • Do not eat or drink anything other than water for 8-12 hours before the test.

Why Get Tested for Vitamin B12?

  1. If you have symptoms of anemia like weakness, tiredness, pale skin 
  2. If you have an abnormal complete blood count and your blood smear shows large red blood cells or neutrophils with more than 5 lobes 
  3. If you have symptoms or signs of nerve problems like numbness, burning in hands, feet, arms or tingling sensation 
  4. If you are being treated with vitamin B12 or folate therapy




What Results of Vitamin B12 mean?

Interpretations

Low levels indicate Vitamin B12 deficiency. 

Causes of vitamin B12 deficiency include:
a.Vegetarian diet
b.Improper absorption from intestine (malabsorption)
c.Lack of intrinsic factor (Pernicious anemia)
d.Rarely hyperthyroidism

Very rarely, levels of vitamin B12 can be increased. Various causes may be:
a.Liver disease
b.Myeloproliferative disorders like chronic myeloid leukemia

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Niramaya Healthcare is an elite Pathology and Wellness service provider with presence in the National Capital Region of Delhi. It was started by a group of professionals with the motto of “Affordable, Accurate and Accredited pathology at your footstep“. Niramaya Healthcare has gone beyond the concept of ´need based´ testing by promoting the concept of Preventive Healthcare. The health packages offered by Niramaya are based on what the people need and not what sells in the market. Niramaya Healthcare ensures that every test conducted is of highest quality. The team of Niramaya is committed to ensuring an amazing Customer experience and firmly believes in the philosophy of "Sarve Santu Niramaya"
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