| ID | iron deficiency |
| IDA | iron deficiency anemia |
| Hb | hemoglobin |
| WHO | World Health Organization |
| NHANES | National Health and Nutrition Examination Survey |
| GI | gastrointestinal |
| IBD | inflammatory bowel disease |
| SF | serum ferritin |
| UNICEF | United Nations International Children’s Emergency Fund |
| AE | anemia in the elderly |
| AI | anemia of inflammation |
| CKD | chronic kidney disease |
| IRIDA | iron-refractory iron deficiency anemia |
| YLDs | years lived with disability |
| ROS | reactive oxygen species |
| Dcytb | duodenal cytochrome b |
| DMT-1 | divalent metal transporter 1 |
| FPN | ferroportin |
| Heph | hephaestin |
| Tf | transferrin |
| sTfR | soluble transferrin receptor |
| TIBC | total iron-binding capacity |
| FBC | full blood count |
| MCV | mean corpuscular volume |
| MCH | mean corpuscular hemoglobin |
| MCHC | mean corpuscular hemoglobin concentration |
| RDW | red cell distribution width |
| NTBI | non-transferrin-bound iron |
| CRP | C-reactive protein |
| EHA | European Hematology Association |
| CDC | Centers for Disease Control and Prevention |
| Fe-ASP | iron conjugated with N-aspartyl-casein |
| IV | intravenous |
| FCM | ferric carboxymaltose |
| FDI | ferric derisomaltose |
| HFrEF | heart failure with reduced ejection fraction |
| ERFE | erythroferrone |
| BMP | bone morphogenetic protein |
| HIF-2α | hypoxia-inducible factor 2 alpha |
| HRI | heme-regulated inhibitor kinase |
| IREs | iron-responsive elements |
| UTRs | untranslated regions |
| CNN | convolutional neural networks |