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In medical and forensic science, a presumptive test is an analysis of a sample which establishes either:
For example, the Kastle-Meyer test will show that a sample is not blood, or that the sample is probably blood (but it may be one of a range of less common substances). Further chemical testing is required to prove that the substance is blood.
In medicine, a presumptive diagnosis identifies the likely condition a patient has.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Presumptive_test". A list of authors is available in Wikipedia.|