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Vitamin B12 Test

Vitamin B12 Test measures the level of Vitamin B-12 in your blood & helps to diagnose deficiency of Vitamin B-12 or monitor treatment effectiveness.

Vitamin B-12 Test Info & Procedure

Group NameANAEMIA LIVER
FastingFasting not required
Sample TypeSERUM
Sample CollectionHome sample collection
ReportsMost reports: 24–48 hours after the sample reaches the lab; timing varies by test.
Report typeDigital report

Vitamin B-12 Test Visual Guide

Measures vitamin B12 level for anemia, nerve health and deficiency screening.

Technician collecting a blood sample from a woman at home

Download Vitamin B-12 Test Visual Guide infographic (PNG)

ResultReported in pg/mL.
What it showsCurrent B12 level.
SampleSerum. No fasting required.
Common useAnemia and nerve health.

How B12 Works

  1. B12 supports nervesNeeded for nerve function
  2. Helps red cellsSupports blood formation
  3. Level measuredDeficiency signal is checked

Typical result context

Result contextGuide
Lowbelow 200 pg/mL
Borderline200 - 300 pg/mL
Adequateabove 300 pg/mL

Symptoms can occur even near borderline values; doctor review matters.

Why it may be advised

  • Deficiency screen
  • Anemia work-up
  • Numbness/tingling review

When to discuss it

  • Vegetarian diet risk
  • Fatigue
  • Nerve symptoms

Often reviewed with

Simple Testing Flow

  1. BookSelect Vitamin B12 test online
  2. Home VisitCollection executive arrives
  3. SampleSample collected as instructed
  4. Lab ReportProcessed and shared digitally

No fasting

  • Usually no fasting
  • Share supplement use

May affect result

  • Recent supplements
  • Injections
  • Some medicines

Deficiency clue

  • Symptoms matter
  • Folate and CBC add context

About the Test

Vitamin B-12 is a laboratory test that measures a result in a Blood (Serum) sample. It may be ordered to investigate symptoms, support a diagnosis or monitor a condition, depending on your clinician's advice.

The current booking price is shown at Rs. 928 against an MRP of Rs. 1090, inclusive of taxes where applicable.

No fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions. Home sample collection is available in serviceable cities. A trained phlebotomist collects the sample using sterile equipment, and the report is shared online after processing.

Vitamin B12 Sample Report

Vitamin B-12 Sample Report Format & Ranges

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

Vitamin B-12 Thyrocare Sample-Report Range Table

Parameter Unit Reference Range
VITAMIN B-12 pg/mL 187 - 883

Requirement of Vitamin B12 

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.

 

Signs and Symptoms of Vitamin B12 deficiency

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:

  • Anemia
  • Constant Fatigue
  • Muscle weakness
  • Loss of appetite
  • Dementia
  • Mood changes
  • Shortness of breath
  • Weight loss
  • Pale skin
  • Constipation
  • Cognitive difficulties
 

Causes of Vitamin B12 deficiency

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.

 

Benefits of Vitamin B12 Test

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:-

  • It helps the doctor to provide a correct diagnosis and treatment.
  • With the help of the test, maintaining a nutritional diet becomes easier.

 

importance of vitamin b12 test

 

Need for Vitamin B12 Blood Test

There is more than one reason to get a Vitamin B12 blood test, which comprises the following:-

  • To get assurance on the levels of B12 requirements in case of doubts.
  • If the doctor recommends the test to make a better judgment concerning a medical condition.
  • In case of medical conditions such as diabetes, liver diseases, etc. Such conditions could be a sign of high levels of Vitamin B12 in the body.
  • If the patient shows symptoms such as dementia, confusion, palpitations, numbness, cognitive difficulties, etc.
  • Having a strict vegetarian or vegan diet.
  • Being on regular medication may also cause poor absorption of B12.

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.

 

Vitamin B12 test Procedure - Understanding the tests

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.

 

Procedure and precautions

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:-

  • Once the test is scheduled, a phlebotomist will be assigned to you who will reach your location at the given time.
  • He/she will take the blood sample according to the standard procedure and pack the sample to send it to the laboratory for further processing.
  • Your sample will then be tested and reports will be sent to you by email. If an option for hard copy is selected by you during the booking, the report will be sent to you via courier in 3-5 days.
 

Normal range of Vitamin B12

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.

vitmin b12 normal range

Signs of low and high levels of Vitamin B12

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.

 

Booking procedure of Vitamin B12 test

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.

 

Vitamin B12 test price

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.

 

Availability of home sample collection for Vitamin B12 test

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.

 

Why choose Mediyaar?

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.

Vitamin B-12 Reference Guide

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.

Why This Test Is Ordered

ReasonDescription
Anaemia workupOften ordered when CBC suggests megaloblastic anaemia.
Nerve healthHelps evaluate tingling, numbness, weakness or balance issues.
Diet and absorptionUseful when intake or absorption of B12 may be low.

Symptoms And Who Should Test

SituationDescription
SymptomsFatigue, weakness, dizziness, numbness, tingling, balance issues.
Higher-risk usersVegetarian/vegan diet, older adults, stomach surgery, Crohn disease, celiac disease.
Follow-up usersPeople on B12 treatment or with abnormal blood counts.

Preparation And Interpretation Notes

TopicGuidance
FastingNo fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions.
MedicinesSome medicines can affect results; do not stop medicines without medical advice.
Common pairingOften reviewed with folate, CBC and iron markers.

FAQ'S

If you are not sure about the levels of vitamin B12 in your body or have been diagnosed with anemia by your doctor, you must consider getting tested. There are other life-threatening diseases such as kidney dysfunction, leukemia, Crohn’s disease etc., all of which are indicators of a high level of Vitamin B12. Other symptoms such as tiredness, chronic fatigue, numbness and tingling in feet or hands which indicate low vitamin B12. If you experience any such physical problems, getting tested is the best decision you can take.

Anyone above 30, pregnant women and old-age people are more prone to this deficiency. But, if symptoms persist even in young adults and children, they must get tested.

The test can be done by anyone, irrespective of age, considering a doctor’s recommendation or on the basis of symptoms. It is important to consider that people above the age of 30 show deficiency symptoms more evidently.

A range of 211-911 pg/ml is considered normal. If it ranges above 900, it is high and if it's below 200, it’s low. A balanced diet and regular checkups can help to maintain the normal range.

There are no side-effects of the Vitamin B12 test. The collection of blood samples and testing is done only by professionals and all precautions are taken considering your health and safety.

You must follow the recommendations given by your doctor in case you are diagnosed with an illness that includes getting tested for this deficiency. If not, you just need to take proper rest and not take any stress or anxiety before the test.

The Vitamin B12 test price is at an affordable and discounted price of Rs. 928-/.

You will get the option of the website of Mediyaar to book a test if you search for vitamin B12 test near you on the internet. Once you open the website, you can fill in your personal details, select the test. Once you book the test, a professional will be assigned to take the blood sample at home and send it to the lab for further processing.

You can get the test reports within 24-48 hours. Whereas, it takes 3-5 business days to receive a hard copy, if you choose that option while booking.

Your test reports will be emailed to you or sent on your WhatsApp number. With Mediyaar, you get the reports on time and without hassle. The reports are also available in hard copy. You can choose this option while booking the test. If you opt for this, the hard copy will be sent to you via courier within 3-5 days.

Mediyaar ensures best quality and cost-effective health services for everyone. Every step is handled by experts. Convenience of the customers is our top-most priority. The tests are done by medical professionals at home, and the reports are delivered on time. Our labs are NABL certified which ensures high-quality service.

Home sample collection for Vitamin B-12 is available in the cities below, subject to confirmation of your pincode at booking.

Check all cities where service is available →

Vitamin B-12 Test Price

Test conducted by Thyrocare partner laboratory Thyrocare Technologies Limited
Thyrocare partner laboratory
Rs. 1,090
Rs.928 15% Off
Free Home Sample Collection
Pay after sample collection
CAP Accredited NABL Accredited UKAS Management Systems ANAB Accredited

Why Choose Thyrocare for Vitamin B-12

Review the preparation guidance, sample type, home collection availability and report information before booking Vitamin B-12. The final collection and reporting details are confirmed during booking.
Home sample collection for diagnostic testing

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Laboratory Processing

Your sample is collected by a trained phlebotomist and sent to the partner laboratory for analysis. The laboratory processes the sample using its validated procedures and quality controls. Your final report shows the result, unit and reference range used for that test. Discuss an unexpected or abnormal result with your clinician.