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Vitamin B12

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Overview
Test Results & Interpretations

Overview of Vitamin B12

Test Description

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.

Why Get Tested

  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



Precautions

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

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

Provided By

NABL

Welcome to Asian Diagnostics, an organization that has been successfully delivering high quality medical Diagnostic Services in Karnataka and South India for over 15 years. Established in 1999, it is based out of Bangalore with branches in Mysore, Hassan and Vijayapura. Asian Diagnostics has continued to evolve over the years to cater to the needs of doctors and patients alike and offers an extensive range of clinical diagnostic tests making it a one-stop destination for the best in Diagnostic Services. Asian Diagnostics is proud to have successfully completed the NABL accreditation and is one of the few NABL Accredited Labs in Bangalore. Operated by a team of highly skilled and committed professionals, it has remained committed to its objective of providing high quality, accurate and reliable diagnostic services at affordable prices to its ever growing customer base. Asian diagnostics is currently THE LARGEST ALLERGY TEST CENTER IN INDIA. It is the first laboratory in the state to perform quantitative 'Food Intolerance' tests

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