Immunology

Gamma Globulin

Normal Range
0.7 - 1.6 g/dL
Sample Type
Standard
Fasting
No
Unit
g/dL

Gamma globulins represent the fraction of serum proteins that primarily contain immunoglobulins (IgG, IgA, IgM, IgD, IgE). In Serum Protein Electrophoresis, this region is scrutinized for 'M-spikes' (monoclonal spikes), which indicate the overproduction of a single antibody by a clonal population of plasma cells. Evaluation of this component is critical for diagnosing multiple myeloma, Waldenström macroglobulinemia, and chronic inflammatory states.

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Interactive
g/dL

Enter your lab result to see where you stand compared to the standard reference range.

Why Context Matters

Recent vaccinations, acute infections, or chronic liver disease can cause polyclonal increases in gamma globulins that may mimic early-stage plasma cell disorders. Additionally, some rare monoclonal proteins may migrate in the Beta region rather than the Gamma region.

Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.

Clinical References

Source-of-truth databases and clinical guidelines for Gamma Globulin:

Related Indicators

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Medically Reviewed by Dr. Binoy Babu, MBBS

Board Certified Doctor • 10+ Years Clinical Experience

Dr. Babu is a practicing physician dedicated to empowering patients with clear, actionable medical information. He founded 2opi to bridge the gap between complex lab reports and patient understanding, ensuring everyone has access to a reliable second opinion.

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