Reticulocyte Cellular Hemoglobin
Order Code: RETHE
Order Form: Laboratory Requisition
Specimen:
Whole Blood
Minimum:
Full draw; 3.0 mL lavender top; (or fingerstick)
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Analytic Time:
2 hours (upon receipt in laboratory)
Reference Range:
30-40 pg
Test Limitations:
Blood: <24 hours old if stored at room temperature <72 hours old if refrigerated
Methodology:
Reticulocytes are stained with a polymethine dye, oxazine 750 and cells analyzed for cell size and hemoglobin. Light absorption is proportional to the DNA/RNA content.
Instructions:
EDTA Whole Blood
Sample Processing:
Transport in original container.
Sample Storage:
Refrigerate.
Transport Instructions:
Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Place coolant packs into styrofoam container.
CPT Code:
85046
 
See also:
Reticulocyte Count (Automated), Whole Blood