| Abbreviation | Definition |
|---|---|
| ACT | Acceptance Commitment Therapy |
| ACTM | Alberta Cell Therapy Manufacturing |
| ADIT | Advances in Diabetes and Insulin Therapy |
| ADNF | Association pour la Diffusion du Neurofeedback en France |
| ADTA | American Dental Therapy Association |
| AEBT | Acceptance enhanced behavior therapy |
| AGTG | Alberta Gene Therapy Group |
| AGTI | Appalachian Gestalt Therapy Institute |
| AIET | Autologous Immune Enhancement Therapy |
| AJOT | American Journal of Occupational Therapy |
| AMAT | Anti MAP Antibiotic Therapy |
| AMFT | Associate Marriage and Family Therapist |
| AMPT | Advanced Manual Physical Therapy |
| AMTS | Association for Music Therapy Singapore |
| AODT | Anti Osteoporosis Drug Therapy |
| AOTPAC | American Occupational Therapy Political Action Committee |
| AOTS | Abraham Occupational Therapy Services |
| APCT | Advanced Psychosomatic Character Therapy |
| APPT | Advancing Postmenopausal Preventive Therapy |
| APRT | Advanced Practice Respiratory Therapist |