PT - JOURNAL ARTICLE AU - Adrienne Sullivan AU - Ruth M Bland AU - Rosie Hague TI - Fifteen-minute consultation: The child with an incidental finding of low IgA AID - 10.1136/archdischild-2016-312386 DP - 2018 Oct 01 TA - Archives of disease in childhood - Education & practice edition PG - 231--235 VI - 103 IP - 5 4099 - http://ep.bmj.com/content/103/5/231.short 4100 - http://ep.bmj.com/content/103/5/231.full SO - Arch Dis Child Educ Pract Ed2018 Oct 01; 103 AB - Low or absent immunoglobulin A (IgA) levels are frequently found in children in whom immunodeficiency is not suspected. IgA deficiency is the most common primary immunodeficiency disorder in the UK affecting approximately 1 in 600 people. Isolated IgA deficiency is often identified coincidentally when investigating a child for conditions such as coeliac disease. The aim of this article is to provide a structured approach to the history, investigation and management of an isolated IgA deficiency.