| ACOI | American College of Osteopathic Internists |
|---|---|
| ACOOG | American College of Osteopathic Obstetricians and Gynecologists |
| ACOP | American College of Osteopathic Pediatricians; approved code of practice |
| ACOS | American College of Osteopathic Surgeons; associate chief of staff |
| AOA | American Osteopathic Association; Administration on Aging; Alpha Omega Alpha Honor Society; American... |