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I am having a Protime performed and a Theophylline Level measured. Should I go ahead and take Coumadin and the Theophylline prior to coming to the Laboratory for testing?

April 26, 2017ahead coming Coumadin level measured Performed prior protime theophylline

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I am having a Protime performed and a Theophylline Level measured. Should I go ahead and take Coumadin and the Theophylline prior to coming to the Laboratory for testing?

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The draw times for various drugs levels may be affected by when an actual dosage is administered. Please call in advance of coming to the Laboratory to ensure that your laboratory tests are being accurately tested with respect to draw times.