Reticulocyte Count

Alternative Names/Synonyms	Reticulocyte, RET, Retic
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Hematology
Specimen Type	Blood
Test Code	RETXE

Hematopathology Requisition
(MS 333A)

Clinical Significance (If applicable)

Reticulocytes are slightly immature red blood cells. A reticulocyte count is a blood test that measures the amount of these cells in the blood.

Whole Blood (EDTA)

1 mL, test can be done on CBC tube, no extra tube is required if the CBC is ordered at the same time

Lavender whole blood tube with EDTA
Collection Containers – Tube Types

Automated

24 hours, 7 days/week.

30 minutes

2 hours

Reference Ranges vary depending on sex, age and will be included in the result report.

416-586-4800 Extension 4688