By undergoing a Vitamin B 12 test, you can know if there are abnormal vitamin B-12 levels causing health problems.
What is Vitamin B 12?
A vitamin B 12 test detects its required level in the blood to measure the body’s total vitamin B 12 stores.
The primary health concern linked with lower B 12 level is a condition called pernicious anemia. Deficiency of vitamin B12 can also affect the nervous system.
The test is performed if you have an abnormal Complete Blood Count with a blood smear presenting sizeable red blood cells or abnormal (hypersegmented) neutrophils.
Why is Vitamin B 12 Suggested?
A Vitamin B 12 test can be suggested if a person is experiencing the following symptoms:
- Racing heart
- Difficulties with balance
- Loss of appetite
How is Vitamin B 12 Performed?
The test process for Vitamin B 12 is as follows
- A plastic band wrapped on your upper arm for filling the vein with blood.
- Cleaning of the area with an antiseptic.
- Blood is drawn in a tube with a needle.
- A bandage applied to the spot which stops the bleeding.
What are the Vitamin B 12 Parameters?
Levels of Vitamin B 12 are low when they are under 200 ng/mL and abnormally high if more than 900 ng/mL.
Preparation Before Performing Vitamin B 12
The preparation for Vitamin B 12 test includes:
- Inform the doctor about medications and underlying medical condition.
- Do not eat or drink for 6 – 8 hrs. before the test.
Post-care After Vitamin B 12
Vitamin B 12 test is an easy lab test so, no specific post care needed after the process.
Sample Types in Vitamin B 12
A blood sample is collected in a Vitamin B 12 test.
Risks of Vitamin B 12
No particular risks associated with Vitamin B 12. You may undergo:
- Mild pain at the area.