| Abbreviation | Definition |
|---|---|
| TWG | total weight gain |
| TWOC | Taking Without Consent (of cars) |
| TWOC | Trial WithOut Catheter A patient who has been catheterised because he or she (but usually he) cannot pass urine, has the catheter taken out to see if he can remember how If not, then he usually has an |
| TXA2 | Thromboxane A2 |
| Txp | Transport |
| TYMP | Tympanometry |
| U&E | Urea & Electrolytes - blood test |
| UA | Unitary Authority (Unitary Council) |
| UAP | unified assessment process |
| UAP | unstable angina pectoris |
| UAP | urban air particles |
| UAP | urinary acid phosphatase |
| UAP | urinary alkaline phosphatase |
| UASC | Unaccompanied Asylum Seeking Children |
| UASC | unaccompanied asylum-seeking children |
| UASSG | Unlinked Anonymous Surveys Steering Group |
| UB | ultimobranchial body |
| UB | umbilical blood |
| UB | unbound bilirubin |
| UB | unconjugated bilirubin |