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2015dec_logoGuidelines for diagnosing coeliac disease are rapidly evolving, as sensitive and specific laboratory assays are now available as part of the coeliac disease diagnostic algorithm. Though biopsy is still recommended as a gold standard by many gastroenterologists1, biopsies may still be inconclusive.2 Therefore, in many cases it may be possible to diagnose coeliac easily and quickly via a few essential blood tests. These include immunoglobulins produced against tissue transglutaminase (tTG) and deamidated gliadin peptide (DGP).