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Reticulocyte Count, Automated
MessageTest performed at York Hospital Laboratory.
Test Code
RETIC
CPT Codes
85045
Preferred Specimen
0.2 mL whole blood collected in an EDTA (lavender-top) tube
Instructions
Tube must be filled to the bottom of the attached label for accurate results.
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 8 hours
Refrigerated: 48 hours
Frozen: Not recommended
Refrigerated: 48 hours
Frozen: Not recommended
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed specimens
Methodology
Sysmex XT-4000i Electronic Cell Counting Thiazine / New Methylene Blue dye
Setup Schedule
Daily
Report Available
Next Day
Reference Range
| Retic | 0.50 - 1.81 % |
| Retic ABS | 0.021 - 0.112 |
| IRF | 2.30 - 15.90 % |
Clinical Significance
A reticulocyte count permits effective assessment of RBC production by the bone marrow. The count classifies an anemia as hypoproliferative or hyperproliferative, thus indicating whether the bone marrow is producing adequte red blood cells for the degree of anemia.
