- Ulcer(s)
- Ulcerative colitis
- Ultrasonography
- Upper gastrointestinal (GI) series
- Ureteral stent, for hydronephrosis
- Ureterostomy, for hydronephrosis
- Urethrogram, retrograde, in urinary tract trauma
- Urethrography, retrograde, in pelvic fractures
- Uric acid, in preeclampsia
- Urinalysis
- Urinary analgesic
- Urinary antiseptic
- Urinary diversion, for urinary tract trauma
- Urinary tract
- Urinary Tract Infection
- Urinary Tract Trauma
- Urine
- Urine cytology, in bladder cancer
- Urine dip, in cystitis
- Urine protein electrophoresis, for amyloidosis
- Uroflowmetry
- Ursodeoxycholic acid, for gallstones
- Uterine bleeding, dysfunctional
- Uterine Cancer
- Uterus, cancer of
Diseases and Disorders