A 15-yo male with selective IgA deficiency without chronic infections and growth hormone deficiency managed with growth hormone (GH) for 6 years, presented for a second opinion for worsening anemia and abdominal pain with diffuse nodular gastritis confirmed on esophagogastroduodenoscopy (EGD) by an outside provider. This evidence concerns the gene TGM2 and selective IgA deficiency disease.