Evaluating anemia, bone marrow production of red cells, hematopoiesis.
0.63 - 1.39%
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Days Test Performed
Daily, 24 hours
STAT: 1 hour; Routine: 4 - 8 hours
Soft Order Code
RETICULOCYTE GROUP TEST
ABNORMAL RETIC PAT
IMMATURE RET FRACTION
Reticulocyte Count, Manual
Reticulocyte Count, Automated
RETICULOCYTE COUNT - FLOW CYTO
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Offsite Collection Instructions
Collect specimen in a lavender top EDTA K2 Vacutainer® tube or EDTA K2 Microtainer® tube. Send intact within 24 hours of collection if stored at room temperature or within 48 hours if stored refrigerated.
Specimens clotted, diluted with IV fluid, containing fibrin strands and clumped platelets, or in underfilled or improper tubes will be rejected.
Test is not indicated for patients receiving a large number of blood replacement units.
3 ml EDTA K2 whole blood in Vacutainer® tube or 500 µl EDTA K2 whole blood in Microtainer® tube
1 ml EDTA K2 whole blood in Vacutainer® tube or 300 µl EDTA K2 whole blood in Microtainer® tube
Automated reticulocyte counts that fail to meet established performance criteria will be done by manual methods at no additional charge. Absolute count will be reported when a red blood cell count (CBCP) is also performed.