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Testing Details: 

Why Get Tested?

To determine if you are folate-deficient or B12-deficient; to help diagnose a rare inherited disorder called homocystinuria; to determine if you are at increased risk of heart attack or stroke

When to Get Tested?

When a doctor suspects a vitamin B12 or folate deficiency or suspects that an infant or young person may have homocystinuria; when you have had a heart attack or stroke and do not have traditional risk factors, as part of a cardiac risk assessment

Sample Required?

A blood sample taken by needle from a vein in the arm; sometimes a urine sample in addition to the blood sample

Test Preparation Needed?

You may be instructed to fast for 10 to 12 hours prior to this test.
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