Reticulocytes, Blood
Tests:Reticulocytes, Blood
Overview | |
|---|---|
| Department | Haematology |
| Test Code | RET |
| Synonyms | Retics
Immature red cells |
| Base Lab Availability | Monday - Sunday, testing routinely available out of hours |
| Hawera Lab Availability | Monday - Friday 8 am - 5pm |
| Turnaround Time | 15 min - 5 hrs |
| Stability – Add test | 24 hrs |
Specimen Requirements | |
| Specimen | Whole Blood |
| Preferred | 4 mL EDTA Purple-Top |
| Acceptable | Less than 1mL EDTA Microtainer |
| Unacceptable | Clotted samples
Samples older than 6 hours |
| Specimen Transportation | |
| Paediatric Requirements | 0.5 mL EDTA Microtainer |
Aliquot Requirements | |
| Sample | |
| Preferred Volume | |
| Minimum Volume | |
| Aliquot Transportation | |
Clinical Information | |
| Reference Intervals | Adult Reference Range
20-100 x109/L.
Newborn Reference Range (not reported with result. Reference: ADHB neonatal guidelines) 3.0-7.0% or 110-445 x109/L. |
| Test Method | Sysmex XN-2000 |
| Advanced Notice | Not required |
| Patient Preparation | Not required |
Comments | |
| CBC always required in conjunction | |
| Owner | Craig Mabbett (Mabbett1) |
|---|---|
| Last reviewed | 12.09.2025 |
| Next review | 12.09.2026 (Overdue) |