| AIS | Androgen Insensitive Syndrome = Testicular Feminization Syndrome |
|---|---|
| AIS | Abbreviated Injury Scale; amniotic infection syndrome; androgen insensitivity syndrome; anterior interosseous nerve syndrome; anti-insulin serum; automotive injury score |
| AIS/MR | Alternative Intermediate Services for the Mentally Retarded |
| AISA | Acquired Idiopathic Sideroblastic Anemia = RARS |
| AISA | acquired idiopathic sideroblastic anemia |