WBC (WC)

Department: Hematology
Test Synonym(s): LAB299, WC, White Blood Cell Quantitative
CPT Codes: 85048
Methodology: Sysmex
Reference Range: Both 3.9-10.7 x 10^3/mcL; Peds:up to 7 days 9.4-31.1 x10^3/mcL; Peds: 7-30 days 4.3-18.3 x10^3/mcL;Peds:up to 30 days-6 years 4.0-14.6 x10^3/mcL, 7-11 years 4.0-13.2 10^3/mcL; 12-17 years 3.4-10.2 10^3/mcL
Tube Type: Lavender top tube (EDTA)
Specimen: Whole Blood
Pediatric Requirements: Lavender top (EDTA) tube(fill to line only) or 0.5 mL (EDTA) microtainer
Volume: 2 mL
Minimum Volume: 500uL
Temperature: Room Temperature or refrigerated
Stability: 24 hours if refrigerated
Reasons for Rejection: QNS, clotted, specimen age
Days Performed: Daily
Times Performed: Continuous
TAT: Stat: 1 hour
Special Instructions: Deliver to the lab within 4 hours. Draw 2 mL to fill line only or may draw EDTA microtainer

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