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Complete Blood Count, WBC Count and Differential

Complete Blood Count, WBC Count and Differential is a topic covered in the Davis's Lab & Diagnostic Tests.

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WBC with diff, leukocyte count, white cell count.

Common Use:
To evaluate viral and bacterial infections and to assist in diagnosing and monitoring leukemic disorders.

Whole blood from one full lavender-top (EDTA) tube.

Normal Findings:
(Method: Automated, computerized, multichannel analyzers. Many analyzers can determine a five- or six-part WBC differential. The six-part automated white blood cell [WBC] differential identifies and enumerates neutrophils, lymphocytes, monocytes, eosinophils, basophils, and immature granulocytes [IG], where IG represents the combined enumeration of promyelocytes, metamyelocytes, and myelocytes as both an absolute number and a percentage. The five-part WBC differential includes all but the immature granulocyte parameters.)

WBC Count and Differential
AgeConventional Units WBC × 103/microLNeutrophilsLymphocytesMonocytesEosinophilsBasophils
(Absolute) and %(Absolute) and %(Absolute) and %(Absolute) and %(Absolute) and %
Birth9.1–30.1(5.5–18.3) 24%–58%(2.8–9.3) 26%–56%(0.5–1.7) 7%–13%(0.02–0.7) 0%–8%(0.1–0.2) 0%–2.5%
1–23 mo6.1–17.5(1.9–5.4) 21%–67%(3.7–10.7) 20%–64%(0.3–0.8) 4%–11%(0.2–0.5) 0%–3.3%(0–0.1) 0%–1%
2–10 yr4.5–13.5(2.4–7.3) 30%–77%(1.7–5.1) 14%–50%(0.2–0.6) 4%–9%(0.1–0.3) 0%–5.8%(0–0.1) 0%–1%
11 yr–older adult4.5–11.1(2.7–6.5) 40%–75%(1.5–3.7) 12%–44%(0.2–0.4) 4%–9%(0.05–0.5) 0%–5.5%(0–0.1) 0%–1%
*SI Units (conventional units × 1 or WBC count × 109/L).

WBC Count and Differential
AgeImmature Granulocytes (Absolute) (103/microL)Immature Granulocyte Fraction (IGF) (%)
Birth–9 yr0–0.030%–0.4%
10 yr–older adult0–0.090%–0.9%

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Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Complete Blood Count, WBC Count and Differential." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425250/all/Complete_Blood_Count__WBC_Count_and_Differential.
Bladh ML, Van Leeuwen AM. Complete Blood Count, WBC Count and Differential. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425250/all/Complete_Blood_Count__WBC_Count_and_Differential. Accessed April 24, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Complete Blood Count, WBC Count and Differential. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425250/all/Complete_Blood_Count__WBC_Count_and_Differential
Bladh ML, Van Leeuwen AM. Complete Blood Count, WBC Count and Differential [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 April 24]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425250/all/Complete_Blood_Count__WBC_Count_and_Differential.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Complete Blood Count, WBC Count and Differential ID - 425250 A1 - Bladh,Mickey Lynn, AU - Van Leeuwen,Anne M, BT - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425250/all/Complete_Blood_Count__WBC_Count_and_Differential PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -