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HelpTest Code LAB1749A Manual Differential
Performing Lab
Arnot Ogden Medical Center/ Ira Davenport Memorial Hospital
Ordering Recommendations
A screening tool to confirm a hematologic disorder, to establish or rule out a diagnosis, to detect an unsuspected hematologic disorder, or to monitor effects of radiation or chemotherapy.
These counts are used as clinical guides in the diagnosis or monitoring of many diseases.
*For CBC with Manual Differential, order LAB1748
Collect
Whole Blood
Collection Device
EDTA Lavender Top Tube
Specimen Handling
Refrigerated
Specimen Volume
3 mL
Stability (from collection to initiation)
| Room Temp | 6 Hours |
| Refrigerated | 24 Hours |
Storage/Transport Temperature
Refrigerated
Minimum Requirements
2 mL
Remarks
TURN AROUND TIME
| STAT | 1 Hour |
| Routine |
8 Hours |
Methodology
Modified Wright Giemsa Stain
Synonyms
White Blood Cell differential
Start Date
9/13/2017
Last Review Date
07/08/2025
7/14/25 AP
7/31/2025 JLH