Anti-Gliadin IgA
Anti-gliadin IgA antibodies are used in the diagnosis of celiac disease and gluten sensitivity. They detect immune reactions to gliadin, a component of gluten.
Category: Inflammation & Immune
Also known as: antitela prema glijadinu iga
Reference range: 0–12 U/mL (Source: ABIM)
Standard unit: U/mL
High values may indicate
Elevated anti-gliadin IgA may indicate celiac disease or non-celiac gluten sensitivity. Confirmatory testing (anti-tTG, biopsy) is recommended.
Low values may indicate
Negative result suggests no significant immune reaction to gliadin.
Frequently asked questions
- What is a normal Anti-Gliadin IgA level?
- A typical reference range for Anti-Gliadin IgA is 0–12 U/mL (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Anti-Gliadin IgA measured in?
- Anti-Gliadin IgA is most commonly reported in U/mL. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Anti-Gliadin IgA 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 Anti-Gliadin IgA over time?
- Yes. Upload results from any lab and BloodId charts your Anti-Gliadin IgA over time against its reference range, so you can see whether the trend is rising, falling, or stable.
Related biomarkers
Source: BloodId admin-reviewed
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