All values in Hematology – red blood cells (except hemoglobin in plasma).Exceptions are mainly those values that denote total blood concentration, and in this article they are: The precise factor depends on hematocrit as well as amount inside RBCs.
In this article, all values (except the ones listed below) denote blood plasma concentration, which is approximately 60–100% larger than the actual blood concentration if the amount inside red blood cells (RBCs) is negligible. It is determined by collecting data from vast numbers of laboratory tests. Interpretation Ī reference range is usually defined as the set of values 95 percent of the normal population falls within (that is, 95% prediction interval). Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the area of pathology that is generally concerned with analysis of bodily fluids.īlood test results should always be interpreted using the reference range provided by the laboratory that performed the test. Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples.
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