Globulin
Globulins are a group of proteins in your blood that include antibodies (immunoglobulins) made by your immune system. They play key roles in fighting infection and transporting nutrients.
Category: Metabolic Panel
Also known as: globulin, serum globulin, total globulin
Reference range: 2–3.5 g/dL (Source: ABIM)
Standard unit: g/dL
High values may indicate
High globulin levels may indicate chronic infection, chronic inflammation, autoimmune diseases such as lupus, or multiple myeloma.
Low values may indicate
Low globulin levels may indicate immune deficiency, liver disease, or kidney disease (nephrotic syndrome).
Frequently asked questions
- What is a normal Globulin level?
- A typical reference range for Globulin is 2–3.5 g/dL (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Globulin measured in?
- Globulin is most commonly reported in g/dL. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Globulin reference ranges come from?
- BloodId uses ABIM standard reference ranges and educational information from MedlinePlus (see our methodology). Reference ranges still vary by lab, age, and sex, so always compare against your own report.
- Can I track Globulin over time?
- Yes. Upload results from any lab and BloodId charts your Globulin over time against its reference range, so you can see whether the trend is rising, falling, or stable.