| Abbreviation | Definition |
|---|---|
| APFCB | Asian Pacific Federation of Clinical Biochemistry |
| APS | Approved Practitioner Status |
| APT | Atopy Patch Tests |
| ASBO | Adhesive Small Bowel Obstruction |
| ASC | American Society of Cytopathology |
| ASCCP | American Society for Colposcopy and Cervical Pathology |
| ASCH | Australian Society of Clinical Hypnotherapists |
| ASCLS | American Society for Clinical Laboratory Science |
| ASPIR | Adiabatic SPectral Inversion Recovery |
| ATCR | Advanced Training in Clinical Research |
| B12 | Cyanocobalamin (a type of essential vitamin) |
| BA8 | Brodmann area 8 |
| BABCP | British Association for Behavioural and Cognitive Psychotherapies |
| BACC | Board Approved Clinical Consultants |
| BAL | Bronchoalveolar Lavage |
| BBC | BioShares Biotechnology Clinical |
| BBCR | Boston Biotech Clinical Research |
| BBS | Bashful bladder syndrome |
| BCCG | Bedfordshire Clinical Commissioning Group |
| BCCG | British Cooperative Clinical Group |