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White Blood Cell (WBC) Count, Blood*

Important Note

*This test is orderable in Cerner as White Blood Count

Methodology

Automated Cell Counter

Performing Laboratory

Rutland Regional Medical Center Laboratory

Specimen Requirements

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

Specimen Volume: Full tube

Specimen Minimum Volume: 2 mL

Collection Instructions:

1. Invert several times to mix blood.

2. Send specimen in original tube.

Additional Information: Specimen is stable for 48 hours when refrigerated.

Specimen Transport Temperature

Refrigerated

Normal Reference Values

Ranges are age- and sex-dependant, refer to report.

Day(s) Performed

Daily

Analytical Time:

1 day

Available Stat

Test Classification and CPT Coding

85048

Critical Values

WBC: <2.0 thousand/µL or >25.0 thousand/µL (automatic call-back)