| ADAA | American Dental Assistants Association |
|---|---|
| ADAM | amniotic deformity, adhesion, mutilation [syndrome] |
| ADAMHA | Alcohol, Drug Abuse, and Mental Health Administration |
| ADAP | American Dental Assistant's Program; Assistant Director of Army Psychiatry |
| ADAPT | American Disabled for Attendant Programs Today [organization] |
| ADAS | Alzheimer disease assessment scale |
| ADAS-COG | cognitive portion of the Alzheimer's Disease Assessment Scale |
| ADase | adenosine deaminase |
| ADAU | adolescent drug abuse unit |
| ADB | accidental death benefit |