| AACT | American Academy of Clinical Toxicology |
|---|---|
| ABCN | American Board of Clinical Neuropsychology |
| ACA | abnormal coronary artery; acrodermatitis chronica atrophicans; acute cerebellar ataxia; adenocarcino... |
| ACACN | American Council of Applied Clinical Nutrition |
| ACCE | American College of Clinical Engineering |