| Abbreviation | Definition |
|---|---|
| AIM | Addressing Inhalants and Methamphetamine |
| AIM | ADHD (Attention Deficit Hyperactivity Disorder) Impact Module |
| AIM | Ambulatory Infusion Manager |
| AIM-C | ADHD (Attention Deficit Hyperactivity Disorder) Impact Module - Child |
| AIP | AIDS Information Project |
| AIP | Alcohol Improvement Programme |
| AIP | Auto-Immune Profile |
| AIPET | Act Implementing the Principle of Equal Treatment |
| AIPS | Advanced Institute for Plastic Surgery, Inc. |
| AIR | Anterior Interval Release |
| AIS | Abbreviated Injury Scale |
| AIS | Abbreviated Injury Severity |
| AJH | Anna Jaques Hospital |
| AJHA | All Japan Hospital Association |
| AK | Artificial Kidney |
| AKUH | Aga Khan University Hospital |
| AKUH | Aga Khan University Hospitals |
| AKUH | Agha Khan University Hospital |
| AL | ALlergy |
| ALIF | Anterior Lumbar Interbody Fusion |