Davis's Lab & Diagnostic Tests

Complete Blood Count, RBC Count

Complete Blood Count, RBC Count was found in Davis's Lab & Diagnostic Tests within Nursing Central, the complete mobile solution for nurses. Look up detailed disease, drug and test information on your smartphone, tablet or on the web.

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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.

Whole blood (1 mL) 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 wk4.51–7.014.51–7.01
2–3 wk3.71–6.113.71–6.11
1–2 mo3.11–5.113.11–5.11
3–11 mo3.01–5.013.01–5.01
1–5 yr3.81–5.013.81–5.01
6–8 yr3.91–5.113.91–5.11
9–14 yr3.91–5.613.91–5.61
15 yr–adult
Older adult

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