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HelpTest Code RETIC Reticulocyte Profile
Laboratory Code
LAB296
Specimen Requirements
Specimen Type: Whole Blood
Container/Tube: Lavender Top (EDTA)
Volume: 3.0 mL
Minimum Volume: 1.5 mL
Collection Instructions: Send whole blood specimen to laboratory immediately.
Specimen Stability
| Specimen Type | Whole Blood |
|---|---|
| Ambient | 6 hours (preferred) |
| Refrigerate | 1 day |
| Frozen | Not available |
Panel Information
Panel includes the following tests:
- %Reticulocytes
- Absolute Reticulocytes
- Reticulocytes Haemoglobin Content (Ret-He)
Methodology
Oxazine 750 Stain and RET-Search (II) Dye Flow Cytometry
Days and Times Performed
Monday through Sunday, TAT 1 day
Specimen Condition
| Haemolysis | OK |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others: Clotted or insufficient specimen | Reject |
Reference Interval
Adults
| Parameters | Male/Female | Unit |
|---|---|---|
| % Reticulocytes | 0.73 – 2.14 | % |
| Absolute Reticulocytes | 33.7 – 105.9 | x 109/L |
| Ret-He | 30.3 – 36.0 | pg |
Paediatrics
| Parameters | Male/Female | Unit | ||
|---|---|---|---|---|
| 0 day – 1 mth | 1 – 6 mths | 6 mths – 6 yrs | ||
| Absolute Reticulocytes | 20.00 – 60.00 | 40.00 – 100.00 | 30.00 – 100.00 | x 109/L |
Testing Laboratory
National University Hospital
Haematology, 67725354
Useful For
Indication of degree of erythropoietic activity
Service Code
12103
LOINC Code Information
| RETICULOCYTES % | 17849-1 |
|---|---|
| RETICULOCYTES ABSOLUTE | 60474-4 |
| RETICULOCYTES-HE | 71694-4 |
Alias
Retic
% Reticulocytes
Absolute Reticulocytes
Update
Last updated 20/03/2025