| Abbreviation | Definition |
|---|---|
| ACTG | AIDS Clinical Trial Group |
| ACTS | Association for Clinical and Translational Science |
| ACTSI | Appalachian Clinical and Translational Science Institute |
| ACTSI | Atlanta Clinical and Translational Science Institute |
| ACTSI | Atlanta Clinical Translational Science Institute |
| ACTU | AIDS Clinical Trial Unit |
| ACVPU | Alert Confusion Voice Pain Unresponsive |
| AFCC | African Federation of Clinical Chemistry |
| AICI | Artificial Intelligence in Clinical Imaging |
| AICM | American Institute of Clinical Massage |
| AICR | Austin Institute for Clinical Research |
| AIMS | Anaesthesia Incident Monitoring Study |
| AJCE | Australian Journal of Clinical Education |
| AJCN | American Journal of Clinical Nutrition |
| AMH | Anti-Müllerian Hormone |
| AMMICanada | Association of Medical Microbiology and Infectious diseases Canada |
| APCC | Associate Professional Clinical Counselor |
| APCT | Advances in Pharmacology Clinical Trials |
| APFCB | Asia Pacific Federation for Clinical Biochemistry |
| APFCB | Asia Pacific Federation of Clinical Biochemistry |