Measures vitamin B12 level for anemia, nerve health and deficiency screening.
Download Vitamin B-12 Test Visual Guide infographic (PNG)
| Result context | Guide |
|---|---|
| Low | below 200 pg/mL |
| Borderline | 200 - 300 pg/mL |
| Adequate | above 300 pg/mL |
Symptoms can occur even near borderline values; doctor review matters.
Vitamin B-12 is a laboratory test. Often ordered when CBC suggests megaloblastic anaemia.
Your clinician can advise whether this test is appropriate for you. The result should be read with the laboratory range, symptoms, medical history and other relevant results. The listed sample type is Blood (Serum).
Relevant details from a Thyrocare sample report are shown below. A standalone PDF preview for Vitamin B-12 is not available here. Reference intervals may vary by method and patient factors. Use the interval printed on your own final report.
| Conducted at | Thyrocare Labs |
|---|---|
| Lab Accreditation | CAP, NABL, UKAS, ANAB |
| Parameter | Unit | Reference Range |
|---|---|---|
| VITAMIN B-12 | pg/mL | 187 - 883 |
Vitamin B12 is mostly found in dairy and animal products such as eggs, milk, seafood, and meats. People with vegetarian diets are prone to having a deficiency of vitamin B12. Both high and low levels of vitamin B12 in your body must be regulated with the help of a professional. Therefore, maintaining a balanced diet and getting regular body checkups are of keen importance.
Major signs and symptoms of B12 deficiency depend on the age of a person. A person below 30 years of age might not show symptoms of deficiency. But in many cases, even children require a test to be done. Usually, older people and pregnant women are more prone to this deficiency. In any case, seeking professional advice is of utmost importance.
A person with Vitamin B12 deficiency may show various psychological and physical symptoms such as:
Poor diet intake is the main cause of the deficiency of Vitamin B12. Other than that, some diseases might reduce the levels of Vitamin B12 in the body. One common medical condition anemia causes this deficiency in many patients. Anemia is caused when the stomach is unable to absorb B12 from any kind of diet intake.
Other medical conditions include HIV, Crohn’s, Type 1 diabetes, etc. Additionally, some personal factors such as family history, vegetarian diet, some kind of stomach surgery, medicines, etc.
It’s important to determine a balanced level of Vitamin B12 with regular checkups. It helps to maintain the proper functioning of the body. Some major benefits are as follows:-

There is more than one reason to get a Vitamin B12 blood test, which comprises the following:-
In cases where a person is not on any medication or does not have a particular disease, the medical professional orders a test according to the symptoms of the individual.
It is a simple blood test that is done by drawing blood from an individual and taking the sample to the laboratory for further examination.
The procedure of the test involves a determination of overall levels of Vitamin B12, homocysteine, and holoTC. These levels help in determining the high and low levels of B12. Both low and high levels need to be maintained with proper diagnosis and treatment which the test provides.
It is a common blood test that can be done at any time as per the convenience of the patient. Unlike other blood tests, there is no requirement for fasting before this test. One important thing to consider is that the patient must take proper rest before taking the test.
There could be specific recommendations from the doctor in case the patient is on some medications. Considering the same, it is important to reveal one’s health conditions and medication history to the doctor. Following is the step-by-step procedure of the test:-
The normal range of Vitamin B12 is between 211-911 picograms per milliliter. Anything above 900 is considered high level. Whereas, a range below 200 is considered low and will require medical attention. The range might also vary according to different laboratories.
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Various health conditions can occur due to imbalanced levels of B12.
Some possible signs of a low level of B12 comprise muscle weakness, fatigue, anemia, nausea, weight loss and irritability.
Whereas, high levels of vitamin B12 could cause life-threatening problems. This includes kidney dysfunction, liver disease, leukemia, and diabetes.
The test can be booked on the website. Once you open the website, you will get a form to fill in some details such as name, age, phone number, full address, pincode, email, appointment date, time slot, and number of persons requiring the test. Make sure to fill in these details correctly. Thereafter, a payment link will be sent to you from which you can complete the payment.
After you book the test, you will get a confirmation of the booking, and a professional will be assigned and sent at the convenience of your home to get the blood sample. We make sure to follow all the standard procedures and strict guidelines to provide the best test results.
At Mediyaar, the vitamin B12 test price is at discounted rates for everyone’s satisfaction. The price is Rs. 750/-. We provide discounted prices to make our services cost-effective.
As per one’s requirement, home sample collection is easily available. Once you book the test, an expert is assigned to take the samples from your doorstep. If you prefer to get the vitamin B12 test at home, you have arrived at the right place.
At Mediyaar, our professional team makes sure that every customer is provided with the best and economical service. We have a complete dedication towards our customers and are available at all times to solve any queries regarding the whole procedure. We have NABL-certified labs which makes our services premium and cost-effective.
Educational guide only. The Thyrocare sample-report range is shown in the Reports & Ranges section. For your own result, use the range on your final report and discuss it with your clinician.
| Reason | Description |
|---|---|
| Anaemia workup | Often ordered when CBC suggests megaloblastic anaemia. |
| Nerve health | Helps evaluate tingling, numbness, weakness or balance issues. |
| Diet and absorption | Useful when intake or absorption of B12 may be low. |
| Situation | Description |
|---|---|
| Symptoms | Fatigue, weakness, dizziness, numbness, tingling, balance issues. |
| Higher-risk users | Vegetarian/vegan diet, older adults, stomach surgery, Crohn disease, celiac disease. |
| Follow-up users | People on B12 treatment or with abnormal blood counts. |
| Topic | Guidance |
|---|---|
| Fasting | No fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions. |
| Medicines | Some medicines can affect results; do not stop medicines without medical advice. |
| Common pairing | Often reviewed with folate, CBC and iron markers. |
The current Vitamin B-12 price in Unnao is Rs. 928. The final booking details are shown before you confirm.
No fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions.
Select Add to Cart or Book Now, choose a suitable slot and provide your address and pincode. Home collection is available where serviceable.
Payment is made after sample collection. Review the final booking amount before confirming your order; the collection team can confirm the available payment methods.
Your report shows the laboratory reference range. A doctor can interpret the result together with your symptoms, medical history and other tests.
Thyrocare states that most test reports are available within 24–48 hours after the sample reaches the laboratory, depending on the test. This is a general estimate, not a guaranteed turnaround for this test; sample transport time is additional. Completed reports are shared digitally.
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