That's a good question. I can imagine that there was a time before there was life on Earth, and then clearly there was a time X-hundred thousand years or a million years later when there were things that we would all recognize as biological.
A high count indicates the presence of inflammation in the body. Because white blood cells are calculated by the number of cells per volume of blood, test results can vary between labs. Different labs use different degrees of measurements for the white blood cell count.
3 What is the most common reason to have a white blood cell count of 12.7? Dr. Joseph Rank Dr. Rank. Infection: Is the most common cause of a mildly elevated white blood cell count. Most bacterial infections result in elevated wbcs with primarily neutrophils.