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IgGmg/dL
IgG is the most abundant antibody class in blood.
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What IgG measures
IgG is the most abundant antibody class in blood.
If your IgG is low
IgG below the range is commonly associated with reduced antibody production or protein loss.
Commonly associated with
- Immune deficiency
- Certain medications
- Protein loss
If your IgG is high
IgG above the range is commonly associated with chronic infection, inflammation, liver conditions or immune conditions.
Commonly associated with
- Chronic infection or inflammation
- Liver conditions
- Immune conditions
Typical reference range
| Group | Typical range |
|---|---|
| Adults | 700 – 1600 mg/dL |
Typical adult values used by many US labs. Your own report prints the range your lab validated for its method, and that range is the one that counts. Labwise always uses the printed range first.
If it is within range
Your IgG is within the range printed by your lab.
Also listed as
Immunoglobulin G, IgG, Serum, Immunoglobulin G, Qn, Serum
Related tests
This page is general information about what a laboratory test measures and what results outside a reference range are commonly associated with. It is not medical advice, does not diagnose any condition and does not replace your clinician. Discuss your results with your healthcare provider.