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WBC Differential

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Also known as: Leukocyte Differential Count; Peripheral Differential; WBC Count Differential; Diff; Blood Differential; Differential Blood Count
Formal name: White Blood Cell Differential

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A WBC differential typically includes the following: absolute neutrophil count or % neutrophils, absolute lymphocyte count or % lymphocytes, absolute monocyte count or % monocytes, absolute eosinophil count or % esosinophils, and absolute basophil count or % basophils.

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NOTE: This article is based on research that utilizes the sources cited here as well as the collective experience of the Lab Tests Online Editorial Review Board. This article is periodically reviewed by the Editorial Board and may be updated as a result of the review. Any new sources cited will be added to the list and distinguished from the original sources used. To access online sources, copy and paste the URL into your browser.

Sources Used in Current Review

2015 review performed by Nicole Ziegler, MT (ASCP) and the Lab Tests Online Editorial Review Board.

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Holland, K. (Updated 2013 June 14). White Blood Cell Count and Differential. Healthline Reference [On-line information]. Available online at http://www.healthline.com/health/white-blood-cell-count-and-differential#Overview1. Accessed September 2015.

Curry, C. (Updated 2015 January 14). Differential Blood Count. Medscape Reference [On-line information]. Available online at http://emedicine.medscape.com/article/2085133-overview. Accessed September 2015.

Muniz V., Weller P., et al. Eosinophil crystalloid granules: structure, function, and beyond. Journal of Leukocyte Biology. 2012 August 92(2). Pp 281-288. Available online at http://jleukobio.org/content/92/2/281.long. Accessed September 2015.

Legrand F., Driss V., et al. Human Eosinophils Exert TNF-α and Granzyme A-Mediated Tumoricidal Activity Toward Colon Carcinoma Cells. Journal of Immunology. 2010 December 15 185(12). Pp 7443-7451. Available online at http://jimmunol.org/content/185/12/7443. Accessed September 2015.

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(January 14, 2015) Curry C. White Blood Cell Differential. Medscape Reference. Available online at http://emedicine.medscape.com/article/2085133-overview#a2. Accessed July 10, 2015.