| IAHS | infection-associated hemophagocytic syndrome; International Association of Hospital Security |
|---|---|
| IDAV | immunodeficiency-associated virus |
| LAA | left atrial appendage; left atrial area; leukemia-associated antigen; leukocyte ascorbic acid |
| LACI | lipoprotein-associated coagulation inhibitor |
| LAHV | leukocyte-associated herpesvirus |