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Reticulocyte
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
RETCCT
Alias/See Also
70492;
Retic;
Retic Count;
Retics;
Reticulocyte Count
Retic;
Retic Count;
Retics;
Reticulocyte Count
CPT Codes
85045
Preferred Specimen
3 mL or 4 mL whole blood K2EDTA (lavender top) tube(s) or K2EDTA (Microtainer® lavender top) tube(s).
Minimum Volume
Minimum fill 1 mL (Microtainer® filled between the 2 lines).
Instructions
Avoid hemolysis. Gently invert 10 times immediately at time of collection.
Transport Container
K2EDTA (lavender top) tube
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature = 24 hours
Refrigerated = 48 hours
Refrigerated = 48 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Rejected for gross hemolysis, clotted, <1 mL, non-K2EDTA tube type, >72 hours old, frozen.
Methodology
Automated Cell Counter
Setup Schedule
Sunday - Saturday
HE
HE
Clinical Significance
Use in evaluating erythropoietic activity.
Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439
Last Updated: August 5, 2022