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Differential Count, Whole Blood

Performing Laboratory

Chilton Hospital Laboratory-Hematology

Methodology

Microscopic Examination of Wright-Giemsa Stain

Includes a 5-part differential.

Note: This test is not a stand-alone test, it can only be performed after a CBC has been performed. Call Chilton Hospital Hematology Laboratory at 973-831-5671 to add this test. 

Specimen Requirements

Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA) or lavender top (EDTA) Microtainer

Specimen Volume: Full tube/Microtainer

 

Specimen Rejection:

1. Hemolyzed

2. Clotted

3. Diluted with intravenous fluid

4. Tube not filled with minimum volume

Specimen Transport Temperature

Ambient

Reference Values

See report for ranges.

Critical value (automatic call-back): bacteria or parasites seen

Day(s) Test Set Up

Monday through Sunday

Available STAT

Turnaround Time:

Routine-8 hours