blood [Subheading]
Used for the presence or analysis of substances in the blood; also for examination of, or changes in, the blood in disease states. It excludes serodiagnosis, for which the subheading diagnosis is used, and serology, for which immunology is used.
Year introduced: 1967
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Tree Number(s): Y01.010, Y08.040.020
MeSH Unique ID: Q000097