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Blood Sample

Collecting

Blood draw

Depending on the facility where you have your blood drawn, a doctor, nurse, laboratorian, or another medical professional will draw your blood. In this picture, a phlebotomist has inserted a needle into a vein on the outer portion of the arm near the elbow.

This article was last reviewed on October 22, 2008. | This article was last modified on October 19, 2011.

The review date indicates when the article was last reviewed from beginning to end to ensure that it reflects the most current science. A review may not require any modifications to the article, so the two dates may not always agree.

The modified date indicates that one or more changes were made to the article. Such changes may or may not result from a full review of the article, so the two dates may not always agree.

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