This is a single-marker test measuring Vitamin B12. It can be ordered as part of a custom panel.
This test measures the levels of Vitamin B12 in the blood. Low levels or deficiency of vitamin B12 can cause a range of health issues, including anemia and nervous system disorders. There are several reasons why Vitamin B12 levels may be low, including:
Humans need steady levels of Vitamin B12 to produce enough red blood cells and keep the nervous system working. For people who eat a balanced diet, low B12 levels are rare.
A physician may order a Vitamin B12 blood test to determine the cause of a patient's symptoms. It may also be ordered after an abnormal result on a different blood test.
If you have a vitamin B12 deficiency, you could become anemic. A mild deficiency in B12 may cause no symptoms. But if untreated, it may lead to symptoms such as:
The main health disorder associated with poor B12 absorption is pernicious anemia. It develops if an individual lacks an intrinsic factor, a protein made in the stomach necessary to absorb Vitamin B12.
This is a single-marker test measuring Vitamin B12. It is used to help identify B12 deficiencies or excesses that can cause disease.