Source:http://linkedlifedata.com/resource/umls/id/C0008000
MSH: The specialty of ANALYTIC CHEMISTRY applied to assays of physiologically important substances found in blood, urine, tissues, and other biological fluids for the purpose of aiding the physician in making a diagnosis or following therapy.,CSP: application of chemical tests to health care, as in analysis of body fluid components.,NCI: The department responsible for performing chemical and enzymatic analyses of body fluids and tissues. (from Handbook of Medical Informatics)