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We are not sure what you are asking, but if your question means "Is there a limit beyond which tests are no longer accurate," the answer is no. There will, however, be less alcohol in the body the longer the period before the test. In the case of blood samples, alcohol in the sample does not deteriorate and can be measured after long periods if the sample has been properly preserved.

In this sort of testing, any error will be favorable to the person being tested, as all errors cause the sample to test low.

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3w ago

Yes, blood alcohol concentration tests need to be conducted within a certain timeframe after alcohol consumption to accurately reflect the individual's actual level of intoxication. This window of accuracy is typically within a few hours, as the body metabolizes alcohol over time. After this period, the results may no longer be valid for determining the person's level of intoxication at the time of the test.

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Q: When performing a blood alcohol concentration test is there a time frame what that results will no longer be valid?
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