| Abbreviation | Definition |
|---|---|
| anti-HCV | Hepatitis C antibodies |
| ANTS | Adequate Nationwide Treatment For Sufferers |
| ANUG | Acute Necrotizing Ulcerative Gingivitis |
| ANX | Anxiety |
| AO | Adjustable Objective |
| AO | Angle Of .... |
| AO | Aorta |
| AOA | Alive On Arrival |
| AOB | Alcohol On Breath |
| AOBT | Ashiatsu Oriental Bar Therapy |
| AOD | Adult-Onset Diabetes |
| AOD | Arterial Occlusive Disease |
| AOD | Arteriosclerotic Occlusive Disease |
| AODM | Adult Onset Diabetes Mellitus |
| AOG | Age Of Gestation |
| AOH | Anterior Pituitary Hormone |
| AOH | Aphasia |
| AOM | Acute Otitis Media |
| AOXIA | no information |
| AP | Acellular Pertussis |