| ADAMTS13 | A disintegrin and metalloproteinase with a thrombospondin type 1 motif, member 13 |
| aPL | Phospholipid antibodies |
| APS | Antiphospholipid syndrome |
| APTT | Activated partial thromboplastin time |
| ASLA | Activated seven lupus anticoagulant assay |
| BSH | British Society of Hematology |
| CAPS | Catastrophic antiphospholipid syndrome |
| CLSI | Clinical and Laboratory Standards Institute |
| CT | Clotting times |
| DOAC | Direct oral anticoagulants |
| DPT | Dilute prothrombin time |
| DRVVT | Dilute Russell’s viper venom test |
| HELLP | Hemolysis, elevated liver enzyme levels, and low platelet levels |
| ICA | Index of circulating anticoagulant |
| INR | International normalized ratio |
| ISTH | International Society on Thrombosis and Hemostasis |
| KCT | Kaolin clotting time |
| LAC | Lupus anticoagulant |
| MTC | Mixing-test-specific cutoff |
| NPP | Normal plasma pool |
| PL | Phospholipids |
| PT | Prothrombin |
| PS | Phosphatidylserine |
| SCT | Silica clotting time |
| SLE | Systemic lupus eritematosus |
| TFPI | Tissue factor pathway inhibitor |
| TMA | Thrombotic microangiopathy |
| TSVT | Taipan snake venom time |
| TTP | Thrombotic thrombocytopenia purpura |
| VDRL | Venereal Disease Research Laboratory |
| VKA | Vitamin K antagonists |
| VLVT | Vipera lebetina venom time |