A patient with anemia is found to have a low level of serum soluble transferrin receptor (sTfR). What does this indicate?

A Iron deficiency anemia
B Anemia of chronic disease ✓
C Normocytic anemia
D Erythrocytosis

Explanation

A low level of sTfR indicates anemia of chronic disease, as it reflects decreased erythropoietic activity.

Source

Clinical Hematology: Theory and Procedures
Hematology Hematology: Anemia Hematology: Anemia Hard MEDICAL Confidence: medium