| Category | Contains the number of abbreviations |
|---|---|
| Autism | 168 |
| British Medicine | 10951 |
| Cancer | 692 |
| Cardiology | 171 |
| Clinical Medicine | 727 |
| Dental | 596 |
| Disability | 512 |
| Diseases | 912 |
| Drugs | 745 |
| Geriatric | 37 |
| Healthcare | 5075 |
| Hospitals | 4569 |
| Human Genome | 1907 |
| Laboratory | 3504 |
| Medical Physics | 202 |
| Neurology | 330 |
| Nursing | 1002 |
| Oncology | 1131 |
| Optometry | 75 |
| Orthopaedic | 150 |
| Pediatric | 242 |
| Pharmacy | 212 |
| Physiology | 8063 |
| Prescription | 515 |
| Psychiatry | 176 |
| Rehabilitation | 524 |
| Surgical | 537 |
| Syndromes | 345 |
| Therapeutics | 86 |
| Therapy | 606 |
| Transplantation | 111 |
| Urology | 31 |
| Vaccine | 92 |
| Veterinary | 2320 |