Introduction
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The meter guides you through the test, step by step, using icons and instructions on the display.
Each box of test strips has its own code chip that you insert into the meter. This code chip con-
tains lot-specific information about its test strips, such as the expiration date and calibration
data. Optional liquid controls for the system are also available.
The CoaguChek XS Plus meter has the ability to connect to a data management system (DMS)
through the Handheld Base Unit from Roche (available separately). The CoaguChek XS Plus
meter supports data exchange via the POCT1A standard. Data management systems may have
the ability to expand the security features of the meter, such as enabling operator lockouts. Data
management systems may also enable data transfer to an LIS or HIS. Refer to the manuals of the
Handheld Base Unit and of your DMS for technical details.
Test principle
The CoaguChek XS PT Test, used as directed with the CoaguChek XS Plus meter, will provide an
electrochemical measurement of prothrombin time following activation of blood coagulation with
human recombinant thromboplastin. In simple terms, blood works with the chemicals in the test
strip to make a small electric current in the test strip that measures blood-clotting time.
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