| AAFP | American Academy of Family Physicians; American Academy of Family Practice |
|---|---|
| AAGP | American Academy of General Practice; American Association for Geriatric Psychiatry |
| ACOP | American College of Osteopathic Pediatricians; approved code of practice |
| AGPA | American Group Practice Association; American Group Psychotherapy Association |
| APN | acute pyelonephritis; advanced practice nurse; average peak noise |