| A | B |
| Ab | antibody |
| Ag | antigen |
| AIDS | acquired immunodeficiency syndrome |
| ALL | acute lymphocytic leukemia |
| AML | acute myelogenous leukemia |
| CLL | chronic lymphocytic leukemia |
| CML | chronic myelogenous leukemia |
| DIC | disseminated intravascular coagulation |
| EBV | Epstein-Barr virus |
| ELISA | enzyme-linked immunoabsorbent assay |
| HIV | human immunodeficiency virus |
| IF | intrinsic factor |
| Ig | immunoglobulin |
| ITP | idiopathic thrombocytopenic purpura |
| lytes | electrolytes |
| mEq | milliequivalent |
| pH | scale for measuring hydrogen ion concentration (acidity) |
| Ph | Philadelphia chromosome |
| PMN | polymorphonuclear (neutrophil) |
| poly | neutrophil |
| polymorph | neutrophil |
| RBC | red blood cell; red blood (cell) count |
| seg | neutrophil |
| SLE | systemic lupus erythematosus |
| TTP | thrombotic thrombocytopenic purpura |
| vWF | von Willebrand's factor |
| WBC | white blood cell; white blood (cell) count |