Method to prevent urine specimen and other specimen substitution in substance use screening
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United States of America Patent
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Issued Date -
Mar 16, 2006
app pub date -
Sep 14, 2005
filing date -
Sep 14, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Substitution of specimens (such as urine specimens) may be detected and even prevented by adding randomization to the collection and routing of specimens. A test taker is required to ingest an ingestible entity the nature of which is concealed from the test taker and others participating in the collection of the sample. The test-taker and unauthorized personnel collecting and routing the specimen are uninformed about fluorescence behavior (or lack of fluorescence) expected for an unsubstituted specimen. The nature of the ingestible entity that a test-taker must take is randomized, and the nature of the ingestible entity is closely held, such as by using bar coding or by using a marker undetectable by the naked eye.
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