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HelpTest Code RET Reticulocyte Count
Alias
Retic
Collection Method
Venous Collection
Container
Lavender EDTA tube
Instructions/Special Handling
None
Preferred Specimen
Lavender EDTA
Acceptable Specimes
- Whole Blood
- Lavender EDTA tube
Units
Varies - See Reference Ranges below
Reference Ranges
Reticulocytes Absolute
| Age | Normal Range |
| 0 days - 3 days | 0.060 - 0.300 M/cumm |
| >3 days | 0.020 - 0.087 M/cumm |
Reticulocyte Percent
| Age | Normal Range |
| 0 days - 3 days | 1.5 - 6.0% |
| >3 days | 0.4 - 2.9% |
Reticulated Hemoglobin
| Age | Normal Range |
| 0 days - 18 years | 28.5 - 38.0 pg |
| >18 years | 30.5 - 38.0 pg |
Critical Values
N/A
Reasons for Rejection
| Hemolysis | N/A |
| Icterus | N/A |
| Lipemia | N/A |
| Other | QNS, Contaminated, Improperly labeled, Improper specimen type, Clotted |
Specimen Stability
| Ambient (15-25°C) | 24 hours |
| Refrigerated (2-8°C) | 24 hours |
| Frozen (-20°C) | Unacceptable |
Performing Site
Boone Health Laboratory
Performance Information
| Days/Times Performed | Daily 24/7 |
| Expected Turn around Time | Same day |
| Methodology/Method Description | Sysmex - Hydrodynamic focusing and flow cytometry |
CPT Code(s)
85046
Panel Components
- Reticulocytes Absolute
- Reticulocytes Percent
- Reticulated Hemoglobin