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9361. Vitamin Active-B12 (Holotranskobalamin)
Important information
*The test is performed at Synevo laboratory in Germany
Description
Active vitamin B12 – the transcobalamin-cobalamin complex – is the only form of vitamin B12 that can be absorbed by the body's cells. It is an early marker of vitamin B12 deficiency.
It should be tested in combination with folic acid and iron.
When and who needs the test?
Can be used:
- as part of the diagnosis of macrocytic anemia and congenital forms of vitamin B12 deficiency;
- as part of assessing the effectiveness of hypovitaminosis treatment;
- as part of monitoring the condition during a strict vegetarian diet;
- in the following diseases/conditions:
- hyperhomocysteinemia;
- thrombosis;
- malabsorption (celiac disease, Crohn's disease, malabsorption), atrophic gastritis, anatomical defects of the small intestine;
- gastrointestinal changes (glossitis, liver enlargement);
- mental illness and neurological disorders;
- fasting and unbalanced diet;
- pregnancy and breastfeeding;
- alcoholism;
- in the elderly.
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach;
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...
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