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By Mayo Clinic staff For a complete blood count, a member of your health care team takes a sample of blood by inserting a needle into a vein in your arm. The blood sample is sent to a lab for analysis. You can return to your usual activities immediately.
References
- Nicoll D, et al. Complete blood cell count. In: Nicoll D, et al. Pocket Guide to Diagnostic Tests. 5th ed. New York, N.Y.: The McGraw-Hill Companies; 2008. http://www.accessmedicine.com/popup.aspx?aID=3135998. Accessed Dec. 9, 2008.
- Patient education: Understanding your complete blood count. National Institutes of Health. http://www.cc.nih.gov/ccc/patient_education/pepubs/cbc97.pdf. Accessed Dec. 9, 2008.
- Complete blood count. Lab Tests Online. http://labtestsonline.org/understanding/analytes/cbc/test.html. Accessed Dec. 9, 2008.
- Fischbach FT. Blood studies: Hematology and coagulation. In: Fischbach FT. A Manual of Laboratory and Diagnostic Tests. 8th ed. Philadelphia, Pa.: Lippincott Williams & Wilkins; 2009:58.
- Tefferi A, et al. How to interpret and pursue an abnormal complete blood cell count in adults. Mayo Clinic Proceedings. 2005;80:923.
- Laboratory reference values. Erythrocytes: Red blood cells, hemoglobin. Leukocytes: White blood cells, platelet count, hematocrit. Rochester, Minn.: Mayo Foundation for Medical Education and Research; Dec. 2008.