Skip Navigation LinksCore Service > Lab Test Directory > Haematology > Details

Core Services Test Directory

Go to all departments



Click here to magnify the image.

Reference Range:

10 - 100 x 109/L

Turnaround Time:

Urgent: 1 hr / In Patient / 2 hrs / GP: 24 hrs


Can be part of FBC


Reticulocytes are juvenile Red Blood Cells. They contain ribosomal RNA in large amounts in cytoplasm. The number of reticulocytes in the peripheral blood is a fairly accurate reflection of erythropoietic activity - especially in sever anaemic conditions such as sickle cell crisis.


Following venepuncture, mix the sample well to prevent clot formation within . Clotted EDTA samples will not be processed.

Vessels and Containers:

4.5ml EDTA

Sample Requirements:

The time limit for reticulocyte testing should be within 24 hrs