A patient with anemia has a high serum level of soluble transferrin receptor. What does this indicate?

A Iron deficiency anemia
B Anemia of chronic disease
C Erythropoietic activity and possible iron deficiency ✓
D Vitamin deficiency anemia

Explanation

A high serum level of soluble transferrin receptor indicates erythropoietic activity and possible iron deficiency.

Source

Clinical Hematology Atlas
Hematology Hematology: Anemia Hematology: Anemia Medium MEDICAL Confidence: high