| AI-CAH | autoimmune-type chronic active hepatitis |
|---|---|
| AICF | autoimmune complement fixation |
| AIHA | American Industrial Hygiene Association; autoimmune hemolytic anemia |
| AITP | autoimmune idiopathic thrombocytopenic purpura |
| AMEAE | acute monophasic experimental autoimmune encephalomyelitis |