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Test Name

White Blood Cell Count (WBC) and Differential

CPT Code(s)

85004, 85048

Includes

WBC and Differential (Absolute and Percent - Neutrophils, Lymphocytes, Monocytes, Eosinophils, and Basophils)

Methodology

Electronic Cell Sizing/Counting/Cytometry/Microscopy

Reference Range(s)

See Laboratory Report

Clinical Significance

A screening test for various disease states to include leukemia and inflammatory processes.

Alternative Name(s)

WBC

To view specimen requirements and codes please Select a regional laboratory.

Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

3624F
7064X
7064
7064
7064
7064
7064
7064
7064
7064X
35017
7064
33001
3624F
7064X
7064
7064
7064X
5011
7064
7064
3491
7064
7064
White Blood Cell Count (WBC) and Differential
7064