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Also reported in: nmol/L
Your sTfR is normal, indicating appropriate iron demand from your bone marrow and tissues. Normal sTfR alongside normal ferritin suggests healthy iron stores and erythropoiesis.
Very low soluble transferrin receptor suggests the bone marrow has minimal demand for iron — seen in aplastic anemia (where red cell production has nearly stopped) or chronic disease with noticeable suppression of erythropoiesis.
Seek urgent hematology evaluation. This suggests noticeable bone marrow suppression rather than iron deficiency.
Soluble Transferrin Receptor: {{value}} {{unit}} — very low (ref: {{low}}–{{high}})Low sTfR suggests the bone marrow has reduced iron demand — typically seen in anemia of chronic disease (where inflammation suppresses red cell production) or in conditions with reduced red cell turnover. Unlike iron deficiency, sTfR is typically normal or low in anemia of chronic disease.
Evaluate in context of ferritin and other inflammatory markers. This helps distinguish iron deficiency from anemia of chronic disease.
Soluble Transferrin Receptor: {{value}} {{unit}} — below reference range (ref: {{low}}–{{high}})A borderline low sTfR suggests relatively low cellular iron demand or mild anemia of chronic disease. It is not consistent with iron deficiency at this level.
No immediate action needed. Evaluate alongside ferritin and CRP for complete picture.
Soluble Transferrin Receptor: {{value}} {{unit}} — borderline lowYour sTfR is normal, indicating appropriate iron demand from your bone marrow and tissues. Normal sTfR alongside normal ferritin suggests healthy iron stores and erythropoiesis.
No action needed.
Soluble Transferrin Receptor: {{value}} {{unit}} — within reference rangeYour sTfR is right in the healthy range, reflecting balanced iron demand and supply without deficiency or overload.
No action needed. Good result.
Soluble Transferrin Receptor: {{value}} {{unit}} — optimalA borderline high sTfR indicates mild iron restriction at the cellular level — even if ferritin appears normal, cells are beginning to sense iron scarcity. This is an early and sensitive marker of iron deficiency.
Check ferritin and serum iron. Even with a 'normal' ferritin, a high sTfR indicates functional iron deficiency. Increasing dietary iron may be beneficial.
Soluble Transferrin Receptor: {{value}} {{unit}} — borderline highElevated sTfR is the most reliable indicator of true iron deficiency at the cellular level. Unlike ferritin, sTfR is not elevated by inflammation — so a high sTfR even in an inflammatory context is consistent with genuine iron deficiency. Your cells are starved for iron.
This is consistent with iron deficiency — even if ferritin is misleadingly normal due to inflammation. Work with your doctor on iron supplementation and investigation of the cause of deficiency.
Soluble Transferrin Receptor: {{value}} {{unit}} — above reference range (ref: {{low}}–{{high}})A very high sTfR indicates that virtually every iron-demanding cell in the body is expressing maximum iron hunger. This represents noticeable, prolonged iron deficiency with exhausted stores and very impaired red blood cell production.
Seek medical care promptly. IV iron infusion is likely needed alongside investigation for blood loss or malabsorption.
Soluble Transferrin Receptor: {{value}} {{unit}} — very high (ref: {{low}}–{{high}})Upload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.