What Is A Normal TTG IgA Level?
What Is A Normal TTG IgA Level? To determine if undetectable levels (<1.2 U/mL) of tTG IgA carry a different prognosis compared with normal but detectable levels (1.2–4.0 U/mL), investigators retrospectively assessed mucosal healing in 402 patients with celiac disease who had a tTG IgA level <4 U/L determined within 1 month of a small