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Complete Blood Count, RBC Count

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

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General

Synonym/Acronym:
RBC.

Common Use:
To evaluate the number of circulating red cells in the blood toward diagnosing disease and monitoring therapeutic treatment. Variations in the number of cells is most often seen in anemias, cancer, and hemorrhage.

Specimen:
Whole blood collected in a lavender-top (EDTA) tube.

Normal Findings:
(Method: Automated, computerized, multichannel analyzers)

AgeConventional Units (106 cells/microL)SI Units (1012 cells/L) (Conventional Units × 1)
Cord blood3.61–5.813.61–5.81
0–1 wk4.51–6.014.51–6.01
2–3 wk3.99–6.113.99–6.11
1–2 mo3.71–6.113.71–6.11
3–6 mo3.81–5.613.81–5.61
7 mo–1 yr3.81–5.213.81–5.21
2–6 yr3.91–5.313.91–5.31
7–15 yr3.99–5.213.99–5.21
16–18 yr4.21–5.414.21–5.41
Adult
 Male4.21–5.814.21–5.81
 Female3.61–5.113.61–5.11
Values are decreased in pregnancy related to the dilutional effects of increased fluid volume and potential nutritional deficiency related to decreased intake, nausea, and/or vomiting. Values are slightly lower in older adults associated with potential nutritional deficiency. Values are slightly lower in older adults.

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Citation

Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Complete Blood Count, RBC Count." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425076/all/Complete_Blood_Count__RBC_Count.
Bladh ML, Van Leeuwen AM. Complete Blood Count, RBC Count. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425076/all/Complete_Blood_Count__RBC_Count. Accessed April 20, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Complete Blood Count, RBC Count. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425076/all/Complete_Blood_Count__RBC_Count
Bladh ML, Van Leeuwen AM. Complete Blood Count, RBC Count [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 April 20]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425076/all/Complete_Blood_Count__RBC_Count.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Complete Blood Count, RBC Count ID - 425076 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/425076/all/Complete_Blood_Count__RBC_Count PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -