Support  Testing

How do I use the OneTouch® Lancing Device to get a blood sample from an alternate test site?

Lancing and sampling from an alternate site

Forearm sampling

Choose a fleshy area of the forearm away from bone, visible veins, and hair. Sometimes there is less blood flow to the forearm than to the fingertips. To help you get a large enough drop of blood, you may gently massage or apply warmth to the site to increase blood flow.

Palm sampling

Choose a fleshy area on the palm below your thumb or pinky finger. Select a spot with no visible veins and away from deep lines, which may cause your blood sample to smear.

The OneTouch® AST™ Clear Cap is used for forearm and palm sampling only. Replace the blue (or black) cap with the OneTouch® AST™ Clear Cap. Blue (or black) caps are for fingertip sampling only.