Too much alcohol can also prevent you from getting enough calories
In individual cases, high doses of vitamin B6, i.e
A couple of 'things'': it is possible to have anaemia and haemochromotis at the same time (though you don't have a low Hb), there are conditions called iron out of balance and functional iron deficiency (associated with low or dropping ferritin), which can be caused by autoimmune disease, PA, absorption problems, coeliac disease, absorption problems and issues to do with gene mutations (HFE gene, mutations C282Y, H63D, and S65C) - and many other things as well
Vomiting followed a similar pattern
Commercial payers generally accept 90471, but Medicare claims for these three preventive vaccines should use the corresponding G-code to avoid unnecessary rejections