| AAPA | American Academy of Physician Assistants; American Association of Pathologist Assistants |
|---|---|
| AAPB | American Association of Pathologists and Bacteriologists |
| AAPCC | adjusted annual per capita cost; adjusted average per capita cost; American Association of Poison Co... |
| AAPHD | American Association of Public Health Dentists |
| AAPHP | American Association of Public Health Physicians |