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A 26-year-old male asked:

Blood test rheumatology igg was 1671 mg/dl(high). ref range: 700-1600. igm and iga normal.alt (52) and t bili (1.7) were high.gi issues for a year (reflux,no appetite, belly pain). possible celiac.got covid vaccine last month.what does high igg mean?

2 doctor answers2 doctors weighed in
Dr. Gurmukh Singh
Pathology 50 years experience
There is more than one cause of elevated IgG. Given your history, it likely reflects chronic inflammation. It is the expected response of immune system. It is more important to address the reason for the blood test than the slight increase in IgG. Wish you good health!
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Donald Colantino
Internal Medicine 62 years experience
Causes of high IgG include chronic infection including long-term hepatitis, HIV as well as multiple myeloma, and autoimmune disorders. I assume you're being seen and advised by a gastroenterologist and rheumatologist.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Apr 18, 2021
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