| HU | heat unit; hemagglutinating unit; hemolytic unit; Hounsfield unit; human urine, human urinary; hydro... |
|---|---|
| TU | thiouracil; thyroid uptake; Todd unit; toxin unit; transmission unit; transurethral; tuberculin unit... |
| TAS | tetanus antitoxin serum; therapeutic activities specialist; thoracoabdominal syndrome; transcription... |
| TATST | tetanus antitoxin skin test |
| CCU | cardiac care unit; Cherry-Crandall unit; coronary care unit; critical care unit |