what do you call the thing that makes a hole in your finger when they test your blood?

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  • RD
    Lv 6
    1 decade ago
    Favorite Answer

    a lancet (also used by diabetics to test their blood at home)

  • 1 decade ago

    The needle in the instrument is called a lancet, but the instrument itself is called a lancing device.

  • 1 decade ago

    This is called a lancet, and is commonly used within a penlet or lancing device.

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