CoaguChek® XS system

Coagulation testing made easy

IVD For in vitro diagnostic use.
CoaguChek® XS system
Point-of-Care INR testing made easier

With the CLIA waived CoaguChek XS system, accuracy and convenience are right at hand. This small, handheld, battery-powered meter is ideal for low- to mid-volume office settings. Plus, you can test and treat in one appointment using the fingerstick test that patients prefer.1

Designed for comfort, convenience and easy reporting:
  • Easy to use. The CoaguChek XS meter features two-button operation, automatic power-on and a large, easy-to-read display. Just one drop of blood is applied to the test strip to measure coagulation.
  • Fast results. The CoaguChek XS displays INR results in about a minute.
  • The support you need. If you or your patients have questions, live technical support is available by phone. 1-800-428-4674
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Get accurate, consistent results:

  • Consistent. CoaguChek solutions provide confidence in clinical decision making with 97% correlation to the lab.2
  • Accurate. CoaguChek technology reduces heparin interference for more accurate results.3
  1. Giles T and Roffidal L. Results of the Prothrombin Office-Testing Benefit Evaluation (PROBE). Cardiovascular Reviews and Reports. 2002;23(1):27-33.
  2. 97% correlation with lab results using Dade Innovin reagent on a Sysmex 560 Analyzer. See CoaguChek XS PT test strip package insert for more information.
  3. See CoaguChek XS PT Test package insert for more information.


Ordering Information

Technical Documents

Technical Specifications

Operating conditions

  • Temperature

    + 15° C to + 32° C (59° F to 90° F)

  • Relative humidity

    Less than 85% (without condensation)

  • Maximum altitude

    4,300 m (14,000 ft) 

  • Placement

    Operate the monitor on a level, vibration-free surface or hold it so it is roughly horizontal



  • Measuring range INR

    0.8 -8.0

  • Interface


  • Power

    Battery - Four 1.5v AAA alkali-manganese batteries

    # of tests per set of batteries

    Up to 300 tests or 2 years

  • Size

    138 x 78 x 28 mm

  • Weight

    127 g (without batteries)

  • Memory

    Up to 300 test results (including date and time)

Measuring & Sampling

  • Detection system

    Electrochemical measurement of INR following activation of blood coagulation with human recombinant thromboplastin




  • User interface

    Simple user interface with icon-based liquid crystal display (LCD), on-off, memory and set button

  • Sample application

    Within 15 seconds of pricking the fingertip, apply the blood to the target area of the test strip—either from the top or side of the test strip. 

Sample material

  • Sample type

    Fresh capillary whole blood or non-anticoagulated venous whole blood

  • Sample size

    ≥ 8 μl

  • Interferences

    Refer to the test-strip package insert

Test strips

  • International Sensitivity Index (ISI)

    Approximately 1.0

  • Sensitivity to heparin

    Testing performed with the following in vitro spiked samples or native blood samples (triglycerides) indicated no significant effect on test results:

    • Heparin concentrations up to 0.8 U/mL
    • Low molecular weight heparins (LMWH) up to 2 IU anti‑factor Xa activity/mL

  • Quality control

    Integrated into the meter and test strips and automatically run for every blood test

  • Stability

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

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