Homocysteine is an amino acid C4H9NO2S found in animal metabolism and is usually a by-product of consuming meat. Increased amounts of homocysteine in the blood are associated with atherosclerosis, coronary heart disease, stroke, peripheral vascular disease and a possibility of Alzheimer's disease.
Homocysteine levels are greatly affected by diet (folic acid, vitamins B6 & B12) and by genetic factors. Studies found higher levels of vitamin B & folic Acid to have positive effects in partially lowering homocysteine levels in the blood.Foods high in folic acid are green, leafy vegetables and grain products; Vitamin B12 is Eggs and Milk and Vitamin B6 are peanuts, cashew nuts, potatoes and wheat products.
24 to 36 Hours
This test ordered to diagnose a deficiency of Vitamin B6, B12, and folic acid or in a case of homocystinuria. It may also be carried out as a part of a lipid profile assessment or as a follow up to a heart attack or stroke.
The common signs/symptoms are:
Preparatory instructions before the test *:
Specimen type: Serum (Blood Sample)
Specimen collection procedure: Venipuncture (Collection of blood from a vein, usually from the arm)
|4.44 - 13.56 µmol/L||Female|
|5.46 - 16.2 µmol/L||male|
‘*A Reference range is a set of values which helps the healthcare professional to interpret a medical test. It may vary with age, gender, and other factors. Reference ranges may also vary between labs, in value & units depending on instruments used and method of establishment of reference ranges'
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