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Complete Blood Count, Hematocrit

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

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General

Synonym/Acronym:
Packed cell volume (PCV), Hct.

Common Use:
To evaluate anemia, polycythemia, and hydration status and to monitor therapy.

Specimen:
Whole blood from one full lavender-top (EDTA) tube, Microtainer, or capillary. Whole blood from a green-top (lithium or sodium heparin) tube may also be submitted.

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

AgeConventional Units (%)SI Units (Conventional Units × 0.01) (Volume Fraction)
Cord blood42–620.42–0.62
0–1 wk46–680.46–0.68
2–3 wk41–560.41–0.56
1–2 mo39–590.39–0.59
3–6 mo35–490.35–0.49
7 mo–1 yr31–430.31–0.43
2–6 yr30–400.3–0.4
7–15 yr32–420.32–0.42
16–18 yr33–450.33–0.45
Adult
 Male42–520.42–0.52
 Female36–480.36–0.48
Pregnant Female
 1st Trimester35–420.35–0.42
 2nd and 3rd Trimester28–330.28–0.33
Values are slightly lower in older adults.Reference range values may vary between laboratories.

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Citation

Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Complete Blood Count, Hematocrit." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425273/all/Complete_Blood_Count__Hematocrit.
Bladh ML, Van Leeuwen AM. Complete Blood Count, Hematocrit. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425273/all/Complete_Blood_Count__Hematocrit. Accessed April 25, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Complete Blood Count, Hematocrit. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425273/all/Complete_Blood_Count__Hematocrit
Bladh ML, Van Leeuwen AM. Complete Blood Count, Hematocrit [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 April 25]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425273/all/Complete_Blood_Count__Hematocrit.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Complete Blood Count, Hematocrit ID - 425273 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/425273/all/Complete_Blood_Count__Hematocrit PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -