3 doctors weighed in:

My IgG level is 147 iu/ml. What does this mean?

3 doctors weighed in
Dr. Barbara Stark Baxter
Internal Medicine - Allergy & Immunology
2 doctors agree

In brief: Quite low

Normal levels in most labs start at around 600.
It depends on whether that is your total igg or a subclass that is 147. If it is your total, you would probably have frequent infections, but you haven't told us this. If it has only been checked once, we would start by rechecking it again, to be sure the result is accurate and yours. Then more tests. You need a specialist in immunology.

In brief: Quite low

Normal levels in most labs start at around 600.
It depends on whether that is your total igg or a subclass that is 147. If it is your total, you would probably have frequent infections, but you haven't told us this. If it has only been checked once, we would start by rechecking it again, to be sure the result is accurate and yours. Then more tests. You need a specialist in immunology.
Dr. Barbara Stark Baxter
Dr. Barbara Stark Baxter
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