<prompt> Answer this question truthfullyWhat are the types of microcytic anemias that are characterized by elevated levels of free erythrocyte protoporphyrin?  <response>: <reason> Iron deficiency anemia and anemia of chronic disease are the two types of microcytic anemias that present with increased free erythrocyte protoporphyrin. Free erythrocyte protoporphyrin is a biomarker that reflects the bodys iron status and heme synthesis. In iron deficiency anemia, there is a lack of iron, which is necessary for heme synthesis, leading to an accumulation of protoporphyrin in the red blood cells. Similarly, in anemia of chronic disease, there is a disruption in iron metabolism due to chronic inflammation, leading to an increase in free erythrocyte protoporphyrin. 