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General Information:

Web Links:

Mayo Clinic Laboratories

Test Code LAB0205427 White Blood Cell (WBC) Count, Blood

Methodology

Coulter VCS Technology

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Specimen Type: Whole blood

Container/Tube: Lavender top (EDTA)

Specimen Volume: 5 mL

Specimen Transport Temperature

Refrigerated

Reference Values

Males
1-30 days:  9.6-24.8  x 103/uL
1-2 months:  5.0-20.0  x 103/uL
2-11 months:  5.0-15.0  x 103/uL
1-2 years:  6.0-11.0  x 103/uL
3-4 years:  5.0-12.0  x 103/uL
5-7 years:  4.0-12.0  x 103/uL
8-12 years:  3.4-10.8  x 103/uL
>12 years:  3.9-11.9  x 103/uL
Critical values (automatic call-back):  <1.5  x 103/uL or >30.0  x 103/uL
Females
1-30 days:  9.6-24.8 103/uL
1-2 months:  5.0-20.0 103/uL
2-11 months:  5.0-15.0 103/uL
1-2 years:  6.0-11.0 103/uL
3-4 years:  5.0-12.0 103/uL
5-7 years:  4.0-12.0 103/uL
8-12 years:  3.4-10.8 103/uL
>12 years:  3.7-12.1 103/uL
Critical values (automatic call-back):  <1.5 103/uLor >30.0 103/uL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

85048