Laboratory Services
White Blood Cell Count and Differential
Print this pageUpdated Test Information:
| Test Description |
White Blood Cell Count and Differential
|
|
|---|---|---|
| Test ID |
WBC
|
|
| Specimen Type |
Whole Blood |
|
| Specimen Requirements |
Lavender |
|
| Specimen Collection / Processing Instructions |
Lavender - Invert tube 8 to 10 times immediately after collection |
|
| Minimum Sample Volume |
0.5 mL of Whole Blood |
|
| Pediatric Min. Volume (if applicable) |
500 μL for pediatric microtainer capillary tubes; fill tube to capacity. |
|
| Stability |
Room Temperature: 1 day |
|
| Unacceptable Specimen Conditions |
Hemolysis; clotted specimen; specimen drawn in any anticoagulant other than EDTA; specimen diluted or contaminated with IV fluid; tube not filled with minimum volume; improper labeling; transfer tubes with whole blood; specimen received with plasma removed. |
|
| Methodology |
Automated/Manual |
|
| Estimated TAT |
0-2 Days |
|
| Testing Schedule |
Monday-Saturday & STAT |
|
| CPT Code(s) |
85004 and 85048 |
|
| Reference Range |
|
|
| Reflex Conditions |
Pathologist Diff Impression will be reflexed on abnormal result findings and by Add-On request |
|
| Performing Lab |
Incyte Diagnostics |
|
| LOINC Code(s) |
6690-2 |
