Vitamin B12 in Hisar
Vitamins · Blood · Hisar, Haryana
Available at 1 lab
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4.5 24h
₹1,000₹599
About this test
What is the Vitamin B12 test?
- Measures the level of vitamin B12 (cobalamin) in the blood.
- Helps assess whether you have enough vitamin B12 for normal nerve and blood cell function.
Key parameter
| Parameter | What it shows |
|---|---|
| Serum vitamin B12 (pg/mL) | Concentration of vitamin B12 in the blood; used to evaluate deficiency or excess. |
Why it is done
- Routine check‑up for people at risk of deficiency.
- Evaluation of symptoms such as fatigue, weakness, numbness, or cognitive changes.
- Monitoring treatment in patients with known B12 deficiency or conditions that impair absorption.
- Part of a broader assessment of anemia or unexplained neurological symptoms.
Early detection
The test can help identify signs of vitamin B12 deficiency, but it does not diagnose a disease on its own – a doctor interprets the result together with symptoms, history, and other tests.
What abnormal results may mean
- Low levels may indicate dietary deficiency, malabsorption (e.g., pernicious anemia, Crohn’s disease), or certain medications (metformin, proton‑pump inhibitors).
- High levels are uncommon and may reflect supplementation or rare metabolic disorders; they rarely cause clinical problems.
- Results can be influenced by hydration status, recent intake of fortified foods, or certain medications.
Who might be advised to get this test
- Older adults, vegetarians/vegans, people with chronic gastrointestinal disorders, or those on long‑term metformin.
- Individuals with unexplained anemia, neuropathy, or cognitive changes.
- Patients undergoing treatment for B12 deficiency to monitor response.
Quick summary
The vitamin B12 test measures blood levels of this essential nutrient, helping doctors spot deficiencies that can affect blood cells and nerves. It is a routine part of evaluating fatigue, anemia, or neurological symptoms.
Used for detecting / monitoring
Before your test
- Fasting: No fasting required.
- If combined with fasting tests: Follow the longest fasting period required by any of the tests (e.g., 8–12 hours for a fasting lipid panel).
- Sample collection: A small needle is inserted into a vein (usually the arm) to draw a few millilitres of blood. The procedure takes about 5 minutes.
- Discomfort: You may feel a brief pinch or sting from the needle; the site may be sore for a short time.
- Precautions: Stay hydrated, avoid alcohol and strenuous exercise 24 hours before the test if you are also doing other blood work that requires it. Inform the phlebotomist of any medications you are taking.
- Before you go: Confirm any specific instructions with your doctor or the laboratory. This information is general educational content and not a substitute for professional medical advice.
Sample type: Blood
Report parameter guide
Vitamin B12
Measures the amount of vitamin B12 (cobalamin) in the blood, which is essential for red blood cell production, nerve function, and DNA synthesis.
Low: Low levels can indicate nutritional deficiency, pernicious anemia, malabsorption disorders (e.g., celiac disease, Crohn’s disease), or certain medications that interfere with absorption.
High: High levels are uncommon but may be seen with excessive supplementation or certain liver diseases; generally not a cause for concern unless associated with other abnormalities.