Laboratory Test Information Guide

Details for Reticulocyte Absolute

Test Name: Reticulocyte Absolute
Alternate Name(s): Reticulocyte Count
Laboratory: Core
Specimen Type: Adult:
4 mL K2 EDTA (Lavender) Vacutainer tube

Pediatric Venous:
2 mL Paeds K2 EDTA (Lavender) Vacutainer

Pediatric (Capillary):
0.5 mL MAP K2 EDTA (Lavender) Microtube
0.5 mL K2 EDTA (Lavender) Microtube
Collection Information: If testing is delayed beyond 24 hours from collection, it is recommended the sample be stored at 4C until time of testing. Sample must be warmed to room temperature prior to analysis.

CBC and RT can be collected in the same tube and that RT can be added on to existing CBC as long as <24 hours.
Test Schedule: As required
Turnaround time from when specimen
is received in testing laboratory:
4 hours
1 hour
Reference Range: 10-100 x 109/L
Effective Date: 2006-11-14
Revised Date: 2020-01-14
Critical Value:  
Interpretive Comments:  
Special Processing:  
Comments: Reflection of erythropoietic activity.
Method of Analysis: Automated reticulocyte analysis is performed on the Sysmex XN using a fluorochrome dye method
Critical Information Required:  
Storage & Shipment:  
System Codes: 
Referred To:  

Questions? Comments? Contact Laura Gopaul