I wonder if the tTG-Iga result isn't back yet as there is nothing next to that one, perhaps it takes a little longer.  

No corn is listed on the ingredients on their site: https://www.trulyhardseltzer.com/nutrition This article may also be helpful:  

You can search this site for prescriptions medications, but will need to know the manufacturer/maker if there is more than one, especially if you use a generic version of the medication: To see the ingredients you will need to click on the correct version of the medication and maker in the results, then scroll down to "Ingredients and Appearance" and click it, and then look at "Inactive Ingredients," as any gluten ingredients would likely appear there, rather than in the Active Ingredients area. https://dailymed.nlm.nih.gov/dailymed/   

I have Celiac, and just got diagnosed with ADHD as well, but the internet is not being helpful in researching which meds are safe for me or not. Does anyone know off the top of their heads which ones are safe? 

Are they safe for a corn allergy? I know white claw is corny!