Blood test results vary from drop to drop in fingerprick tests

Fingerprick blood tests are becoming more common, but a new study finds that fingerprick test results can vary significantly from drop to drop. The study found that as many as six to nine drops of blood were needed for consistent measurements of hemoglobin, white blood cells and platelets.

from Today's Healthcare News -- ScienceDaily http://ift.tt/1O7RaKY