| Abbreviation | Definition |
|---|---|
| APM | Association for Project Management |
| APM | Association of Professors of Medicine |
| APMS | alternative primary medical services |
| APO | abductor pollicis obliquus |
| APO | adriamycin, predisone, oncovin |
| APO | adverse pregnancy outcome |
| APO | apolipoprotein |
| APO | apomorphine |
| APO | autonomous period of operation |
| APO | autonomous provider organisation |
| APROP | Action for the Proper Regulation of Private Hospitals |
| APSA | C antistreplase |
| APSE | Association for Public Service Excellence |
| AQ | Advancing Quality |
| AQ | Aggression Questionnaire aqueous |
| AQ | Aphasia Quotient |
| AQ | Attribution Questionnaire |
| AQ | Awareness Questionnaire |
| AQH | aqueous humour |
| AQH | Association for Quality in Healthcare |