What you can expect

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, usually at the bend in your elbow. The blood sample is sent to a lab for analysis. You can return to your usual activities immediately.

Oct. 18, 2016
  1. Complete blood count. Lab Tests Online. https://labtestsonline.org/understanding/analytes/cbc/tab/test. Accessed Aug. 29, 2016.
  2. CBC with differential, blood. Mayo Medical Laboratories. http://www.mayomedicallaboratories.com/test-catalog/Clinical+and+Interpretive/9109. Accessed Aug. 29, 2016.
  3. Understanding blood counts. Leukemia and Lymphoma Society. http://www.lls.org/managingyourcancer/labandimagingtests/understandingbloodcounts. Accessed Aug. 29, 2016.