| Abbreviation | Definition |
|---|---|
| TAC | tacrolimus |
| TAC | Technology Accreditation Commission |
| TAC | tetracaine-adrenaline-cocaine |
| TAC | therapeutically achievable concentration |
| TAC | total abdominal colectomy |
| TAC | total aganglionosis coli |
| TAC | Trainee Advisory Committee |
| TAC | transient aplastic crisis |
| TAC | transplant aspiration cytology |
| TAC | transverse aortic constriction |
| TAC | truncus arteriosus communis |
| TACFIG | Town And Country Issues Financial Issues Group |
| TAG | T antigen |
| TAG | Technical Appraisals Guidance |
| TAG | Thalassaemia Action Group |
| TAG | tumour antigen |
| TALOBIA | There's a lot of it about |
| TALOIA | there’s a lot of it about (!) |
| TALOIA | theres a lot of it about (!) |
| TAP | T cell activating protein |