Real-time test results during the patient visit Reduces patient follow-up visits and expenditure Capillary fingerstick samples ... venipunctures and blood drawing needles and tubes.

The lead screening process begins with a questionnaire filled out by the family, followed by a fingerstick blood ... makes an appointment for a venous blood draw, where blood is drawn directly ...

The practice of drawing blood has changed very little over the decades. It looks about the same now as it did 50 years ago. That process, however, may be about to get a modern makeover.