Diseases and Disorders
- Ulcerative colitis
- Unstable (crescendo) angina
- Upper gastrointestinal (GI) series, in gastric cancer
- Ureteral stent, for hydronephrosis
- Ureterostomy, for hydronephrosis
- Urethrogram, retrograde, in urinary tract trauma
- Urethrography, retrograde, in pelvic fractures
- Uric acid, in preeclampsia
- Urinary diversion, for urinary tract trauma
- Urinary tract trauma
- Urine cytology, in bladder cancer
- Urine dip
- Urine dip, in cystitis
- Urokinase, for hemothorax
- Ursodeoxycholic acid, for gallstones
- Uterine bleeding, dysfunctional
- Uterine cancer