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Reticulocyte with Retic Hemoglobin
Test CodeRETGP
Alias/See Also
LAB0000893
Preferred Specimen
4.0 mL whole blood collected in a K2 EDTA vaccutainer (lavender tube)
Minimum Volume
0.5 mL whole blood
Other Acceptable Specimens
Whole blood collected in EDTA capillary tubes, raised bottom tubes, or 6 mL pink EDTA tubes
Specimen Stability
Samples stored refrigerated (2 - 8oC) with normal results may be analyzed up to 48 hours without significant loss of differential stability.
Microtainers should be analyzed within 4 hours of collection.
Sample stability at room temperature is 24 hours for samples collected in 4 mL EDTA tubes.
Microtainers should be analyzed within 4 hours of collection.
Sample stability at room temperature is 24 hours for samples collected in 4 mL EDTA tubes.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted samples
Grossly hemolyzed samples
Contaminated samples
Grossly hemolyzed samples
Contaminated samples
Reference Range
| Sex | Age | Reference Range |
|---|---|---|
| Reticulocyte | ||
| M/F | 0 - 1 day | 2.5 - 6.5 % |
| M/F | 1 - 3 days | 1.0 - 4.5 % |
| M/F | 3 days - 150 years | 0.5 - 2.5 % |
| Retic Hemoglobin | ||
| M/F | 0 - 150 years | >29.0 pg |
Performing Laboratory
Penn Medicine Lancaster General Health
