| Disease | Iron | TIBC | Ferritin |
|---|---|---|---|
| Iron deficiency | (\downarrow) | (\uparrow) | (\downarrow) |
| Anaemia of chronic disease | (\downarrow) | (\downarrow) | (\uparrow) |
| Chronic haemolysis | (\uparrow) | (\downarrow) | (\uparrow) |
| Haemochromatosis | (\uparrow) | (\downarrow) or (\leftrightarrow) | (\uparrow) |
| Pregnancy | (\uparrow) | (\uparrow) | (\leftrightarrow) |
| Sideroblastic anaemia | (\uparrow) | (\leftrightarrow) | (\uparrow) |
Haemolytic - macrocytic (\uparrow) reticulocytes (\uparrow) bilirubin
- Things wrong inside cell - sickle cell, G6PD def, Thalassaemia
- Things wrong with RBC membrane - spherocytosis elliptocytosis
- External things wrong - antibodies, heart valves, drugs, vascular