Vitamin B12 Test - Book at Affordable Cost

serum vitamin b12 test

Serum Vitamin B12

Book Serum Vitamin B12 Appointment Online at the best price in Delhi/NCR from Ganesh Diagnostic. NABL & NABH Accredited Diagnostic centre in Delhi offering a wide range of Radiology & Pathology tests. Get Free Ambulance & Free Sample collection from Home. 24 Hour Open.

₹ 1200 ₹ 600

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What is Vitamin B12?

Vitamin B12 is also known as cobalamin or cyanocobalamin. It is a water-soluble Vitamin. Animal-based foods are the natural sources of vitamin B12 such as eggs, poultry, meat, fish, cheese and dairy products. 

It is released from food in the acidic environment of stomach and requires Intrinsic factor for its absorption. There are two metabolically active form of Vitamin B12 in our body, Methylcobalamin and Adenosylcobalamin.

Vitamin B12 test at home

Vitamin B12 test is used for the assessment of Vitamin B12 in your serum or urine to evaluate total body stores of Vitamin B12. Vitamin B12 test at home allows you to monitor your health or rule out diseases without the need for going labs. Sample is collected at home according to your preferred date and timing of test.

Ganesh lab offers you at home sample collection facility and too without any additional or hidden charges. So, if you are having signs or symptoms of vitamin B12 deficiency diseases, you should book our Vitamin B12 test at home for diagnosis, monitoring and proper management of your conditions.

Functions of vitamin B12?

Vitamin B12 perform many important functions in our body such as

  • DNA synthesis
  • Formation of blood cells
  • Myelination of neurons
  • Act as a cofactor for enzymes such as Methionine synthase and Methylmalonyl CoA mutase.
  • Devolvement and proper functioning of CNS (central nervous system).

What are the uses of Vitamin B12 test?

Your health care provider may recommend a test for the evaluation of vitamin B12 in the following situations

Presence of symptoms or signs of vitamin B12 deficiency such as:

  • Tingling sensation
  • Numbness
  • Paraesthesia
  • Muscle weakness
  • Anemia
  • Fatigue
  • Lethargy 
  • Irritation
  • Mental abnormalities
  • Cognitive impairment
  • Unexplained drowsiness
  • Loss of proprioception
  • Loss of vibration 
  • Ataxia
  • Spasticity
  • Hyperreflexia
  • Positive Romberg sign.

For Screening, diagnosis and monitoring of diseases and conditions due to vitamin B12 deficiency such as

  • Megaloblastic anemia
  • Pernicious Anemia
  • Cardiovascular disease
  • Homocysteinemia
  • Defective myelination
  • Peripheral neuropathy
  • Degeneration of spinal cord
  • Defect in synthesis of neurotransmitters 
  • Dementia
  • Optic atrophy
  • Bilateral centrocecal scotoma
  • Folate trap (functional deficiency of Vitamin B9 also known as folic acid).

How do I prepare for Vitamin B12 test at home?

Follow these simple steps if you need a Vitamin B12 test at home:

Take an appointment : Fix an appointment in a diagnostic lab to avail home sample collection for Vitamin B12 testing.

 Fasting : 6-8 hours is usually required for Vitamin analysis. Take a light meal the night before your test.

Medications : Inform your doctor about all the drugs and supplements that you are currently taking. Certain drugs may alter the test result. Your doctor may advice some modifications before the test if required.  

Alcohol : Avoid alcohol intake before the test as it may alter the test results.

What is the procedure for Vitamin B12 test at home?

The procedure for Vitamin B12 test includes the following steps:

  • A phlebotomist will come at your doorstep for blood sample collection according to the scheduled date and time.
  • All aseptic precautions will be taken before the procedure begins.  
  • First a torniquet will be tied around your arm.
  • Then a cotton swab soaked with 70% alcohol is used to clean/disinfect the injection site before needle insertion.
  • Then a small needle will be inserted in the vein of your arm and required amount of blood is withdrawn from it and collected in a test tube.
  • Then the needle is removed and an adhesive sticker is placed on the puncture site to prevent it from infections.
  • Sample is sent to laboratory for further processing and testing.

Cost of Vitamin B12 Test at home in Delhi?

Price of Vitamin B12 test INR 500 to INR 2000 depends upon many factors such as city and locality. Different diagnostic labs charges according to the quality of machines they have and various offers that they are providing to their customers.

Ganesh Diagnostic and Imaging centre (GDIC), Rohini also known as GDIC is currently offering 50% discounts on various tests including Vitamin B12 test. Our centers are NABH and NABL accredited and equipped with modern, highly expensive machines with latest cutting-edge technologies and highly skilled Radiologists and Pathologists.We follow strict aseptic conditions to prevent transmission of infections.

Charges of various test used for the screening and diagnosis of vitamin B12 deficiency or toxicity at Ganesh Lab (GDIC) are as following:

Hurry! Grab the best deals now!

For more details visit your nearest Ganesh Diagnostic and Imaging center (GDIC) today or Call us now!

Best diagnostic centre for Vitamin B12 test at home in Delhi?

Ganesh lab (GDIC) is considered as the best diagnostic lab for Vitamin B12 test in Rohini, North-East Delhi. We have many branches in different locations of Delhi including Hari Nagar, Yamuna Vihar, Nangloi, Derawal Nagar and Mangol puri. 

Ganesh Diagnostic and Imaging center (GDIC) is now considered one of the most popular diagnostic labs in Delhi as: 

  • We provide high standard quality services to our patients. 
  • Free home sample collection.
  • Well-trained technicians for home sample collection. 
  • We also offer facilities of online reporting.
  • Experience of 23+ years of services.
  • Our labs are NABH certified. 
  • Facility of latest cutting-edge technologies.
  • Highly Skilled Radiologists and Pathologists
  • Facility of emergency test services at night.
  • Genuine reporting and Patient satisfaction are our top priority. 
  • We offer seamless integration between diagnosis and treatment planning. 
  • Affordable Diagnostic lab with up to 50% discount on many tests. Currently, we are offering upto 50% discount on various types of blood tests.
  • We are open 24X7 and 365 days.
  • You can also avail free Consultation with our Pathologists & Radiologists regarding any blood test or imaging scans.
  • Free Ambulance services in Delhi, NCR.
  • Lakhs of satisfied customers.

We are also open on SUNDAYS.

Test Type Serum Vitamin B12

Vitamin B12 Test (Hormones)


Within 24 hours*

Test Price ₹ 600 ₹ 1200
Frequently Asked Questions
  • Strict vegetarians 
  • Vegans
  • Old age
  • Children
  • Pregnant women
  • Lactating mothers
  • Infant of vegetarian mothers
  • Chronically ill patients
  • Patients of gastric bypass surgery etc.

Causes of Vitamin B12 deficiency includes the following:

  • Inadequate intake of Vitamin B12 in diet
  • Strict vegetarians 
  • Chronic alcohol intake
  • Pernicious Anemia
  • Atrophic gastritis
  • Celiac disease
  • Congenital vitamin B12 malabsorption syndrome
  • Hereditary intrinsic factor defect
  • Crohn’s disease 
  • Intestinal parasitic infection
  • Gastrointestinal surgeries.
  • Drugs such as:
    1. H2 receptor blockers: Ranitidine, cimetidine.
    2. Proton pump inhibitors: Pantoprazole, omeprazole.
    3. Metformin
    4. Chloramphenicol etc.

An abnormally high level of Vitamin B12 above the normal range is usually uncommon as Vitamin B12 is a water-soluble vitamin and an excess amount of Vitamin B12 is removed via urine. However, an elevated level of Vitamin B12 can be detected in following conditions:

  • Diabetes
  • Kidney diseases affecting Vit B12 excretion
  • Liver diseases
  • Blood cancers such as Leukemia.
  • Polycythemia Vera.

Recommended Dietary allowance (RDA) for Vitamin B12 intake is different for different individuals depending upon their age, sex and nutritional requirements. Given below table summarizes the AI (Adequate intake) and RDA for Vitamin B12 intake:



AI (Adequate intake)


Birth-6 months

0.4 mcg/day


7-12 months

0.5 mcg/day


1-3 years


0.9 mcg/day

4-8 years 


1.2 mcg/day

9-13 years


1.8 mcg/day

14 years & above


2.4 mcg/day



2.5- 2.8 mcg/day



2.5 mcg/day

Old age


2.4 mcg/day

Blood (Serum) sample is usually required for Vitamin B12 assay/test. However, urine analysis can also be done to assess levels of Vitamin B12.

Vitamin B12 test reports are usually available within 24 hours of sample collection.

Vitamin B12 test is a safe procedure for screening and detection of vitamin B12 deficiency or its abnormally high level with usually no side effects. However, some individuals may experience some of the side effects mentioned below:

  • Pain at injection site.
  • Hematoma
  • Multiple punctures to locate vein in those where veins are not easily assessable. 
  • Bleeding at puncture site, especially patients having bleeding or clotting disorders or those on anticoagulant therapy.
  • Infection at puncture site or thrombophlebitis.

Values of Vitamin B12 assay/test may vary from lab to lab as different labs follow different references. Vitamin B12 report can be analyzed as following:

Level of vitamin B12


200-800 pg/ml


<200 pg/ml


>800 pg/ml


Description of terms used:

pg- Picogram

ml - Milliliter


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