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Reticulocyte Haemoglobin Equivalent (RET-He)


Whole blood EDTA tube

Minimum sample volume

0.5 mL

 Special Instructions

Analysis must be performed within 24 hours of specimen collection

Factors affecting results

Haemolysed or clotted samples cannot be tested.

Results from aged samples will not be reported.

Adult Reference Ranges

28 – 36 pg

Results <28 pg may indicate iron deficiency.

Turnaround time

1 hr – STAT samples

24 hrs – routine samples


In house

Clinical Advice

Clinical advice is available from the Haematology Medical team (contact RD&E switchboard on 01392 411611)

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