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Laboratory Test Directory

WBC

Components

Name Method Department Units
WBC Automated cell counter
Core Lab, Hematology K/cu mm

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Purple tube (EDTA)

3 mL 3 mL
Alternate

Purple tube (EDTA)

Micro sample tube 0.5 mL
Stability

Room temperature - 8 hour(s)
Refrigerated - 24 hour(s)

Specimen Preparation

  • Do not centrifuge

Reasons for Rejection

  • Not received at proper temperature
  • Not received within specified time frame
  • Clotted specimen
  • Over or under filled tube
  • Wrong collection tube

CPT Code

  • 85048