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Laboratory Medicine

Test Directory / Reticulocytes

Reticulocytes

EDTA

TestReticulocytes
Common AbbreviationsRet
ProfileFBC added on the same sample
Clinical IndicationTo help evaluate the bone marrow's ability to produce RBC, and to help distinguish between anaemia related to blood loss or destruction, and anaemia related to decreased RBC production
Specimen TypeBlood
Sample TypeEDTA
Minimum Volume1 x 3 mL (adult) 1 x 0.5 mL (paed) (can be shared with a ESR sample)
Special PrecautionsMust be at least half filled
Stability24 hrs
Turnaround Time1 hour (urgent) 4 hours (routine)
LaboratoryYork Hospital
Reference IntervalReference range printed on final report.
LimitationsTest cannot be performed on a sample found to be clotted
Additional InformationMeasuring the haemoglobin content of reticulocytes, also known as RET-He or reticulocyte haemoglobin equivalent, is a way of diagnosing and monitoring iron deficiency anaemia. This has been shown to be a very effective marker of iron status.
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Maternity access at York Hospital - Saturday 22 February

On Saturday 22 February, 8am-6pm, there will be a temporary change of vehicle access to the maternity unit at York Hospital. Access via entrance 2 will be closed to allow essential works to be completed. 

If you are attending the maternity unit at York on this day, please drive in via the entrance for A&E (marked blue light priority).

The multi-storey car park will not be affected by this change, and any non-urgent visitors should continue to park in this area.