| Abbreviation | Definition |
|---|---|
| AODA | Alcohol and Other Drug Addiction |
| AORD | Arthritis And Other Rheumatic Diseases |
| AOSD | Adult Onset Still Disease |
| AOSD | Adult onset Stills Disease |
| AOSD | Adult Onset Still's Disease |
| AOSD | Adult-Onset Still's Disease |
| APBD | Adult Polyglucosan Body Disease |
| APDA | American Parkinson Disease Association |
| APID | Acute Pelvic Inflammatory Disease |
| APOSS | Aberdeen Prospective Osteoporosis Screening Study |
| APS | Anti-Phospholipid Syndrome |
| APSV | Ankle Peak Systolic Velocity |
| APVD | Atherosclerotic Peripheral Vascular Disease |
| ARAV | Aravan Bat Virus |
| ARCD | Acquired Renal Cystic Disease |
| ARD | Acid Reflux Disease |
| ARD | Acute Respiratory Disease |
| ARD | And Related Diseases |
| ARD | Annals of the Rheumatic Diseases |
| ARDA | Automated Retinal Disease Assessment |