Is homocysteine greater than 12 normal?

Homocysteine is more than 12μmol/L,

but not more than 15μ mol/L, it is considered normal, no special treatment. If homocysteine is more than 12 μ mol/L, but more than 15 μ mol/L, it is

considered abnormal, may be caused by lack of folic acid, vitamin B12, vitamin B6, etc., may also be related to H-type hypertension, psoriasis, coronary atherosclerotic heart disease, etc. At this time, it is necessary to further do trace element examination, blood pressure measurement, coronary angiography, etc. to confirm the diagnosis.