Screening Tests & Assays
The following screening tests and assays are available in this programme. For details of who can participate, how to register, the survey timetable and distribution schedule, and information on data analysis, performance and support for participants, please click on the relevant links at the side of this page.
Screening Tests (Level 1 Tests)
| INR: Quick's one-stage method | Heparin dosage assessment (APTT for UFH) |
| INR: Capillary reagent method | Heparin assay (anti-Xa assay for LMWH) |
| Prothrombin Time for diagnosis | Fibrinogen estimation (Clauss) |
| Activated Partial Thromboplastin Time | D-Dimer |
| Thrombin Time | Lupus Anticoagulant |
Assays (Level 2 tests)
| Factor II Assay | Von Willebrand Factor Antigen Assay |
| Factor V Assay |
VWF:RiCof (Activity) Assay VWF Collagen Binding Assay |
| Factor VII Assay | Antithrombin Antigen Assay |
| Factor VIII:C Assay | Antithrombin Activity Assay |
| Factor IX:C Assay | Protein C Antigen Assay |
| Factor X Assay | Protein C Activity Assay |
| Factor XI Assay | Protein S Total and Free Antigen Assay |
| Factor XII Assay |
Protein S Activity Assay APC Resistance Plasminogen Assay |
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UK NEQAS for Blood Coagulation programmes are hosted by the Sheffield Teaching Hospitals NHS Foundation Trust. We are a UKAS accredited proficiency testing provider (BS EN ISO/IEC 17043:2010).
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