Test category · Laboratory
Coagulation & haemostasis
How well blood clots and how quickly clots are broken down: screening times, individual factors, platelet function and the inherited or acquired tendencies to bleed or clot.
Tests with a page
Concepts covered by those pages
Also in this category: catalogued concepts
Canonical test concepts of this category that do not yet have their own page. They are listed so that the taxonomy is complete and searchable; a page is written only when it can meet the quality standard.
- Activated partial thromboplastin time (aPTT, PTT, APTT) · also: partial thromboplastin time Laboratory test
- Thrombin time (TT) Laboratory test
- Fibrinogen · also: Clauss fibrinogen Laboratory test
- D-dimer Laboratory test
- Anti-Xa assay (anti-Xa) · also: heparin level, anti-factor Xa Laboratory test
- Mixing study · also: 50:50 mix Laboratory test
- Activated clotting time (ACT) Laboratory test
- Platelet function analyser (PFA-100, PFA) · also: platelet function test Laboratory test
- Platelet aggregation studies · also: light transmission aggregometry Laboratory test
- Thromboelastography (TEG) Laboratory test
- Rotational thromboelastometry (ROTEM) Laboratory test
- Factor II assay · also: prothrombin assay Laboratory test
- Factor V assay Laboratory test
- Factor VII assay Laboratory test
- Factor VIII assay · also: haemophilia A factor level Laboratory test
- Factor IX assay · also: haemophilia B factor level Laboratory test
- Factor X assay Laboratory test
- Factor XI assay Laboratory test
- Factor XII assay Laboratory test
- Factor XIII assay Laboratory test
- Von Willebrand factor antigen (vWF:Ag, VWF antigen) Laboratory test
- Von Willebrand factor activity (vWF activity) · also: ristocetin cofactor activity, VWF:RCo, VWF:GPIbM Laboratory test
- Protein C · also: protein C activity Laboratory test
- Protein S · also: free protein S Laboratory test
- Antithrombin (AT, ATIII) · also: antithrombin III Laboratory test
- Lupus anticoagulant (LA) Laboratory test
- Dilute Russell viper venom time (dRVVT) Laboratory test
- Anticardiolipin antibodies (aCL) Laboratory test
- Beta-2 glycoprotein I antibodies (anti-β2GPI) · also: beta-2 glycoprotein antibodies Laboratory test
- Factor V Leiden · also: factor V Leiden mutation Genetic / molecular
- Prothrombin gene mutation · also: prothrombin G20210A Genetic / molecular
- Coagulation screen · also: clotting screen, coagulation profile Panel
Educational content. A test category groups what tests exist and what they are for. It cannot say which test a person needs: that depends on the question a clinician is asking.