Autoimmune enteropathy is an entity reported primarily in infancy, resulting in intractable diarrhoea and associated with small bowel villous atrophy and the presence of circulating enterocyte antibodies. It is a multisystem disorder with a response, in many cases, to immunosuppressive therapy.
RST (rust top)
5-10 mL (1 mL serum)
Not currently performed in house; this test is referred to the Protein Reference Unit, Sheffield.