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Reticulocyte Haemoglobin Content

CHr Ret-Hb Reticulocyte Haemoglobin Equivalent (RHE)
EDTA whole blood pg

About this test

Haemoglobin content within reticulocytes; the earliest marker of functional iron deficiency, before MCV or Hgb change.

Reference Ranges

Sex Age Range Notes
All ≥ 18 yrs 28 – 35 Adult; <28 suggests functional iron deficiency

Clinical Interpretation

Low / Decreased
Functional iron deficiency — iron-restricted erythropoiesis even when ferritin is normal.

Related Tests

Reticulocyte Count Serum Iron Transferrin Saturation Ferritin
Specimen
EDTA whole blood
Reporting Unit
pg
Category
🩸 Hematology

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.