White Blood Count (WBC), Blood

Additional Info: If indicated (per policy), a manual differential will be performed. See “Additional Information” at the back of the Laboratory Service Manual for manual differential policy.

Methodology: XN-2000

Specimen Requirements: 1 lavender-top (EDTA) tube (minimum: 1.0 mL of EDTA whole blood) or 1 lavender-top microtainer tube (fill to second line) for pediatric specimen. See “Specimen Collection and Preparation” in front of the manual for microtainer use. Forward promptly at room temperature only.

Analytical Time: 1 day

Days Set Up: Monday through Sunday

CPT Information:
85048 –