CoaguChek® XS Plus system

Product image for CoaguChek ® XS Plus system

Accurate testing at the point of care


The CLIA-waived CoaguChek XS Plus system enables accurate INR testing at the point of care. It also offers data management capabilities, so healthcare professionals can easily and efficiently manage warfarin patients at the point of care.  


The CoaguChek XS Plus makes it easy to manage warfarin patients.


Accurate and flexible technology provides results in about one minute and offers quality control options, including on-board controls and liquid quality controls. 

Streamline data management. The CoaguChek XS Plus can store 2,000 test results and 500 optional quality control results. Additionally, it gives healthcare providers the ability to denote patient IDs and add comments.

Produce accurate results with ease. Only a small sample size is required, obtained through a fingerstick, and the icon-driven touch-screen interface makes testing a simple and intuitive process.


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CoaguChek XS plus system

These features make the CoaguChek XS Plus stand apart from competing systems: 

  • It’s the only system with a 97% correlation to the lab using a single-strip platform, which means providers can count on consistent and accurate results.1
  • CoaguChek technology reduces heparin interference for more accurate results.
  • The monitoring portfolio offers a single-strip platform for consistency in INR results across the care continuum.



1. 97% correlation with lab results using Dade Innovin reagent on a Sysmex 560 Analyzer. [package insert 05967694001(03)]. Indianapolis, Ind.: Roche Diagnostics; 2013. 

Technical specifications

Technical specifications

Detection system

Amperometric (electrochemical) determination of the PT/INR after activation of the coagulation with human recombinant thromboplastin


User interface

Full graphical (TFT)


Support and safety functions

QC lockout, Patient & User ID, protection with administrator ID


Sample application

Outside the meter, with top-and 2 sides (left or right)-dosing options

Operating temperature

+15° C to +32 °C (59 °F to 90 °F)


Operating humidity and altitude

10 - 85% - 4300 m



  • First option: Operate the monitor on a level surface, free of vibrations
  • Second option: hold the monitor in your hand, so that it is roughly horizontal


Measuring range

INR: 0.8 - 8.0; %Q: 120 - 5; SEC: 9.6 - 96



  • 2000 patient and 500 QC results with date and time.
  • 60 code chip records.
  • Operator lists with up to 5000 Operator IDs with corresponding 2nd ID.
  • Patient lists with up to 4000 Patient IDs with corresponding 2nd and 3rd IDs.



Infrared interface


Power options

  • Power supply adaptor: input: 100 - 240 V / 50 - 60Hz / 400 mA; output: 7.5 V DC/ 1.7 A
  • 4 x 1.5 V AA batteries (alkali - manganese)
  • Rechargeable battery pack (optional)


Number of tests per set of batteries

Approx. 80 tests (approx. 60 tests per charging cycle if the rechargeable battery pack is used)



185 x 97 x 43 mm



311 g (without batteries)

Sample type

Fresh capillary whole blood or non-anticoagulated venous whole blood


Sample size

≥ 8 μl



Refer to the test strip package insert


Approx. 1.0


Sensitivity to heparin

Not at therapeutic levels, up to 0.8 I.U/ml for UFH and to 2 anti - Xa.U/ml for LMWH


Quality control

On each strip, through the same channel as the blood passes



21 months from production (+ 2° C to + 30° C)