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White Blood Cell Count

Test Summary

White Blood Cell count in whole blood to screen for infection, cancer, and other WBC cell population abnormalities.

Aliases

  • WBC (Whole Blood)
  • White Bld Cnt

Specimen Collection

Special Instructions

N/A

Preferred Specimen

3 mL or 4 mL whole blood K2EDTA (lavender top) tube(s) or K2EDTA (Microtainer® lavender top) tube(s). 

Minimum Volume

Minimum fill 1 mL (Microtainer® filled between the 2 lines).

Instructions

Avoid hemolysis. Gently invert 10 times immediately at time of collection.

Patient Preparation

N/A

Storage

K2EDTA (lavender top) tube

Transport Temperature

Refrigerated

Specimen Stability

  • 48 hours Refrigerated

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Rejected for gross hemolysis, clotted, <1 mL, non-K2EDTA tube type, >48 hours old, frozen.

Order Code

WBC

EPIC (Premier) Code

LAB1203

Includes

N/A

CPT Code

  • 85048

Billing Code

  • 300433

CPT Statement

Methodology

Automated Cell Counter

FDA Status

FDA approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine OH, 45439

Department

Hematology

Reference Range

See Report

Setup Schedule / Expected Turnaround Time

Sunday - Saturday; HE; Report available: 1 day

Specimen Collection

Special Instructions

N/A

Preferred Specimen

3 mL or 4 mL whole blood K2EDTA (lavender top) tube(s) or K2EDTA (Microtainer® lavender top) tube(s). 

Minimum Volume

Minimum fill 1 mL (Microtainer® filled between the 2 lines).

Instructions

Avoid hemolysis. Gently invert 10 times immediately at time of collection.

Patient Preparation

N/A

Storage

K2EDTA (lavender top) tube

Transport Temperature

Refrigerated

Specimen Stability

  • 48 hours Refrigerated

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Rejected for gross hemolysis, clotted, <1 mL, non-K2EDTA tube type, >48 hours old, frozen.

Billing

CPT Code

  • 85048

Billing Code

  • 300433

CPT Statement

Result Information

Methodology

Automated Cell Counter

Testing Laboratory

N/A

Reference Range

See Report

Setup Schedule / Expected Turnaround Time

Sunday - Saturday; HE; Report available: 1 day