Does serum homocysteine test require fasting?

Serum homocysteine test generally requires fasting.

Serum homocysteine test requires venous blood sampling to test serum homocysteine content, thus assisting in the diagnosis of cardiovascular and cerebrovascular diseases. The subject needs to fast for at least 6-8 hours and maintain an fasting state to ensure the accuracy of the test results. If the subject has eaten before the test, it may lead to an increase in the raw materials for synthesizing cysteine, causing serum homocysteine index to rise, affecting the doctor's judgment of the disease.

If the subject has eaten, it is necessary to re-test on an empty stomach.