Vitamin B12

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Vitamin B12

Measures vitamin B12 levels to evaluate causes of anemia, fatigue, and nerve-related symptoms.

Test Preparations

Male : No fasting required.

Female : No fasting required.

Reporting TAT : 24 hours

Other Blood Test

Frequently Asked Questions

A blood test is a laboratory analysis of a blood sample to check overall health, diagnose conditions, or monitor ongoing treatments.
Blood tests help detect health problems early, monitor diseases, and check how well organs like the liver, kidney, heart, and thyroid are functioning.
Yes, for some tests like glucose or lipid profile, fasting for 8–12 hours is required. Other tests do not require fasting.
A trained technician draws blood from a vein in your arm using a sterile needle. The process usually takes only a few minutes.
You may feel a small prick or sting when the needle goes in, but it usually causes only mild and temporary discomfort.
Most routine blood test results are available within 24–48 hours, while some specialized tests may take longer.
Some medicines can affect results. Always inform your doctor or lab about any medications or supplements you are taking before the test.
Generally, no. You might experience slight bruising or soreness at the puncture site, which usually goes away quickly.
It depends on your health condition, age, and doctor’s advice. Healthy adults may benefit from annual check-ups, while patients with chronic conditions may need more frequent tests.

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