White Blood Cell (WBC) Count, Blood*
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)