✔ 最佳答案
This is not a chemistryl quesiton. This is outside the scope of it. It is related to laboratory question relating to medicine.
The normal range differs from one centre to another.
I provide you a link as reference. See page 69! Note those in Urine.
http://www.wanfang.gov.tw/ebm/medicine/Lab/P6100182-9502B%20%20%E6%AA%A2%E9%A9%97%E7%A7%91%E6%8E%A1%E6%AA%A2%E6%89%8B%E5%86%8A.pdf