29 January 2025
: Case report 
Impact of Lupus Anticoagulant on INR Using Recombinant Prothrombin Time Reagent
Unusual clinical course, Challenging differential diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Clinical situation which can not be reproduced for ethical reasons
Fatmawati Kamal
1ABCDEF*, Halimatun Radziah Othman2ABCDEF
DOI: 10.12659/AJCR.945579
Am J Case Rep 2025; 26:e945579
Table 4. PT results using 3 different PT reagents on Sysmex CS-2500.
| PT Reagents | Siemens Dade® Innovin® | Siemen Dade® Innovin® (new lot) | Siemens Thromborel® S | |
|---|---|---|---|---|
| PT (sec) | Patient’s result | 41.3 | 37.9 | 13.1 |
| Reference Range | 9.3–10.8 | 8.4–10.6* | 11.1–14.1* | |
| * Manufacturer ranges. | ||||