Soluble transferrin receptors and reticulocyte hemoglobin concentration in the assessment of iron deficiency in hemodialysis patients.

Background: Diagnosing iron deficiency in hemodialysis (HD) patients is crucial for correct anemia management. Hypochromic erythrocytes appear to be the best available marker, but they are often unavailable. Transferrin saturation (TSAT) and ferritin are also indicated as reference markers by guidelines.