Reticulocyte Cellular Hemoglobin
Label Mnemonic: | RETHE |
Epic code: | LAB1145 |
Order form: | Laboratory Requisition |
Supply order: | Supply Order Form |
Billing: | Billing Policies |
CPT code: | 85046 |
Specimen(s):
Whole Blood
Collection Medium:
Lavender top tube 3 mL (EDTA) |
Minimum:
Full draw; 3.0 mL lavender top; (or fingerstick-purple top
microtainer®)
Testing
Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around
Time:
1 hour (upon receipt in laboratory)
Reference Range:
30-40 pg
Comments:
Refer to BD Microtainer® Tubes product sheet for detailed sample collection
instructions.
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.
Sample
Processing:
Lavender tube is sent as whole blood, no processing necessary.
Sample
Storage:
Refrigerate, 2-8°C.
Transport
Instructions:
Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
Place requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
CPT Code:
85046
See also:
Reticulocyte Count (Automated), Whole Blood
Reticulocyte Count (Automated), Whole Blood