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HelpTest Code LAB299 White Blood Cell Count
Additional Codes
WBC
Collection:
Specimen: Blood
Container: Lavender Top Tube.
Specimen Volume: Minimum 2 mL (tube)
Pediatric Collection:
One Lavender microtainer filled to 500 uL (Minimum 250 uL).
Turnaround Time (TAT):
STAT: 1 HOUR
Routine: 3 HOURS
Test Availability:
Daily / 24 Hours / Available STAT
Reference Interval:
| Age | Range |
| 0 - 1 day | 9.00 - 28.00 K/cumm |
| 1 day - 1 month | 6.00 - 18.00 K/cumm |
| 1 month - 12 months | 6.00 - 14.00 K/cumm |
| 1 year - 15 years | 5.00 - 11.00 K/cumm |
| > 15 years | 4.80 - 10.80 K/cumm |
Interpretive Data:
WBC count will be corrected for the presence of Nucleated RBC’s.
Performed Laboratory Section:
Hematology / UMC MAIN LABORATORY
Stability
Refrigerated: 48 hours (preferred)
Room Temperature: 24 hours