Anti-tissue transglutaminase IgG (anti-tTG IgG) is used to screen for celiac disease, particularly in patients with IgA deficiency where the IgA-based test would be falsely negative.
Category: Inflammation & Immune
Also known as: anti-ttg igg, anti ttg igg, tissue transglutaminase igg, anti-tissue transglutaminase igg, ttg igg, ttg-igg, antitela prema tkivnoj transglutaminazi igg
Reference range: 0–6 U/mL (Source: ABIM)
Standard unit: U/mL
High values may indicate
High anti-tTG IgG levels may indicate celiac disease, especially when IgA levels are low. Confirmatory testing is recommended.