HomeLab TestIgA
Overview
An Immunoglobulin A (IgA) test measures the levels of IgA in your blood or other body fluids. IgA is a type of antibody crucial for immune defense, primarily found in mucosal areas (e.g., respiratory and gastrointestinal tracts) a...
Risk assessment
Risk Assessment
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High IgA levels may indicate:
- Chronic infections
- Autoimmune diseases (e.g., rheumatoid arthritis, lupus)
- Liver diseases (e.g., cirrhosis, hepatitis...
Ranges
Normal Range
- Adults: 70–400 mg/dL
- Children: 20–200 mg/dL
(Note: Reference ranges may vary slightly by laboratory.)
Test result interpretation
Interpretation
- Normal IgA levels: Indicate a typically functioning immune system.
- Elevated IgA levels: Suggest potential chronic immune activation or organ-specific conditi...
Sample types
Sample Type
- Blood sample: Collected via venipuncture (most common).
- Other fluids: Sometimes saliva or cerebrospinal fluid (CSF) is used for specialized cases.
Frequently Asked Questions
Does high IgA mean celiac?
How do I lower my IgA level?
Is High IgA bad?
Is High IgA serious?
What does it mean when your IgA is high?
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IgA
Assessing Immune System Function for Comprehensive Health Insight
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Sample Type:
blood
Fasting Required:
No
Description
It can also be the result of a hyperimmunization reaction. If the IgA blood test results are high, but other immunoglobulin testing results are normal, then this can be an indication that multiple myeloma, leukemia, or lymphoma has developed. If the IgA blood test results are low, then this can be an indication that kidney failure has occurred.
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