The Vitamin B12 Test is a blood test that measures the level of Vitamin B12 (Cyanocobalamin) in the body. It helps detect Vitamin B12 deficiency or excess, which can affect red blood cell formation, nerve health, energy levels, and overall body function.
Vitamin B12 is an essential nutrient required for producing healthy blood cells, maintaining the nervous system, and supporting DNA synthesis. This test is commonly recommended for people with symptoms such as fatigue, weakness, numbness, tingling sensations, anemia, or those at risk of nutritional deficiency.
1.Vitamin B12 (Cyanocobalamin)
Measures the level of vitamin B12 in the blood. B12 is needed for healthy red blood cells, nerves, brain function and DNA production, and helps detect deficiency or excess.
Also known as: Vitamin B12 Blood Test, Serum Vitamin B12 Test, Cobalamin Test, Vitamin B12 Level Test, Cyanocobalamin Test
The Vitamin B12 Blood Test measures the amount of Vitamin B12 circulating in the bloodstream. Vitamin B12 (Cobalamin) is a water-soluble vitamin that plays a crucial role in:
The body cannot produce Vitamin B12 naturally, so it must be obtained through diet or supplements. Deficiency can develop due to poor dietary intake, absorption problems, certain medications, or medical conditions.
The Vitamin B12 Test measures the concentration of Vitamin B12 in the blood.
Functions of Vitamin B12:
Low Vitamin B12 levels may indicate:
High Vitamin B12 levels may be seen in:
Doctors may recommend a Vitamin B12 Test to:
The test may be advised if you experience:
Benefits of the Vitamin B12 Test:
A Vitamin B12 Test may be recommended for:
The Vitamin B12 Test requires a blood sample collected from a vein.
Before the test:
| Parameter | Normal range |
|---|---|
| Vitamin B12 (Cyanocobalamin) | Approximately 200–900 pg/mL |
| Interpretation | |
| Below 200 pg/mL | Possible Vitamin B12 deficiency |
| 200–300 pg/mL | Borderline level; may require further evaluation |
| 300–900 pg/mL | Generally considered adequate |
| Above 900 pg/mL | May require evaluation based on supplements and health condition |
| Note | Reference ranges may vary between laboratories depending on testing methods, age, health status, and clinical guidelines. Results should always be interpreted by a healthcare professional. |
Reference ranges can differ between labs. Your report shows the range used by the lab.
A Vitamin B12 Test is a blood test that measures the level of Vitamin B12 (Cyanocobalamin) in the body to detect deficiency or abnormal levels.
Vitamin B12 is essential for red blood cell production, nerve function, DNA formation, and maintaining overall health.
Common symptoms include fatigue, weakness, numbness, tingling sensations, dizziness, difficulty concentrating, and anemia.
No, fasting is generally not required for a Vitamin B12 Blood Test. However, follow your laboratory or doctor's instructions.
| Test name | Vitamin B12 Test |
|---|---|
| Location | Kolkata |
| Sample type | Blood |
| Number of parameters | 1 |
| Home sample collection | Available |
| Fasting | Not required |
| Report time | Within 24–30 hours |
| Recommended age | 5–99 years |
| Suitable for | Male & Female |
People with limited dietary intake, absorption problems, older adults, and individuals with certain medical conditions may have a higher risk.
Yes, Vitamin B12 deficiency can lead to megaloblastic anemia, where red blood cells become abnormal and less effective.
Yes, prolonged Vitamin B12 deficiency may affect nerve function and cause symptoms like numbness, tingling, or balance problems.
Testing frequency depends on dietary habits, medical conditions, symptoms, and doctor's advice.
Yes, consuming B12-rich foods and taking supplements when medically advised can help improve Vitamin B12 levels.
| City Name | Prices |
|---|---|
| Vitamin B12 Test in Agra | ₹649 |
| Vitamin B12 Test in Ahmedabad | ₹649 |
| Vitamin B12 Test in Ajmer | ₹649 |
| Vitamin B12 Test in Aligarh | ₹649 |
| Vitamin B12 Test in Amravati | ₹649 |
