Also known:

Total plasma homocysteine

systematic name:



What sample is required?

The determination is made from a venous blood sample.

Is some kind of prior preparation necessary?

For this test you do not need any special preparation.

Why do the analysis?

To detect a possible deficiency of folate or vitamin B12; to establish if you have an increased risk of suffering an acute myocardial infarction or a stroke; to help diagnose a very rare inherited disorder known as homocystinuria.

When to do the analysis?

When the doctor suspects a vitamin B12 or folate deficiency; if you have suffered an acute myocardial infarction or a cerebrovascular accident and you do not have classic risk factors such as changes in the lipid profile; as a screening test in a newborn or young person if homocystinuria is suspected.

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