Lab Med Online.  2020 Jan;10(1):25-32. 10.3343/lmo.2020.10.1.25.

Performance Evaluation of the CS-5100 Coagulation Analyzer for Special Coagulation Parameters

  • 1Department of Laboratory Medicine, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea.
  • 2Department of Laboratory Medicine, University of Ulsan College of Medicine and Asan Medical Center, Seoul, Korea.
  • 3Asan Clinical Research Center, Seoul, Korea.


The CS-5100 high-throughput automated coagulometer (Sysmex, Japan) can perform general and special coagulation assays. We evaluated the performance of the CS-5100 coagulometer to measure fibrinogen degradation product (FDP), plasma level of unfractionated heparin (UFH), low molecular weight heparin (LMWH), and direct oral anticoagulants (DOACs).
Precision, linearity, and carryover rate of the CS-5100 while measuring FDP, UFH, and LMWH were validated. Precision and linearity were validated for measurements of DOACs. Results of FDP measurement using CS-5100 were compared to those using the currently used STA-R coagulometer (Diagnostica Stago, France). The reference range of FDP was established. All evaluation procedures were in accordance with Clinical and Laboratory Standards Institute guidelines.
CS-5100 displayed good precision, linearity, and carryover rate for measuring FDP, UFH, LMWH, and DOACs. The FDP level measured with the CS-5100 and STA-R coagulometers correlated well. The reference range of FDP with CS-5100 was 0.0 to 3.48 µg/mL.
The CS-5100 coagulometer has acceptable analytical performance in measuring special coagulation parameters. It is suitable for the reliable measurement of plasma FDP and anticoagulant levels in clinical laboratories.


CS-5100; FDP; Anticoagulants; Heparin; Low molecular weight heparin; Direct oral anticoagulant; Performance
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