| Acronym | Meaning |
| TM | Tympanic Membrane |
| TNF | Tumor Necrosis Factor |
| TNM | Tumor, Node, Metastases |
| TNTC | Too Numerous To Mention |
| TP | Tuberculin Precipitation |
| TP | Tuberculin Precipitation |
| TPN | Total Parenteral Nutrition |
| TPR | Temperature |
| TTN | Transient Tachypnea Of The Newborn |
| TTP | Thrombotic Thrombocytopenia Purpura |
| TUPR | Trans-urethral Prostatic Resection |
| TUR | Trans-Urethral Resection Of The Prostate |
| TUR | (or TURP) Trans-urethral Resection Of The Prostate |
| TURP | Trans-Urethral Resection Of The Prostate |
| TWB | Touch Weight Bear |
| TWE | Tap Water Enema |
| TX | Treatment |
| UA | Urinalysis |
| UA | Urinalysis |
| UAO | Upper Airway Obstruction |
| UBW | Usual Body Weight |
| UGI | Upper Gastrointestinal |
| UPJ | Ureteropelvic Junction |
| URI | Upper Respiratory Infection |
| URI | URinary Incontinence |
| US | Ultrasonic |
| UTI | Urinary Tract Infection |
| UVJ | Ureterovesical Junction |
| UVJ | Ureterovesical Junction |
| VA | Visual Acuity |
| VA | Visual Acuity |
| VBAC | Vaginal Birth After Caeserean |
| VF/VFIB | Ventricular Fibrillation |
| VLDL | Very Low Density Lipoprotein |
| VMA | Vanillylmandelic Acid |
| VPB | Ventricular Premature Beat |
| VPC | Ventricular Premature Contraction |
| VSA | Vital Signs Absent |
| VSD | Ventricular Septal Defect |
| VT/VTACH | Ventricular Tachycardia |
| VW | Vessel Wall |
| VW | Vessel Wall |
| W/C | Wheelchair |
| W/C | Wheelchair |
| WBC | White Blood Cell |
| WD | Well Developed |
| WDI | Warm |
| WHO | World Health Organization |
| WMA | World Medical Association |
| WN | Well Nourished |