A B C D E F G H I J K L M N O P Q R S T U V W X Y Z U Ulcerative colitis Ultrasound scan Umbilical hernia repair Underactive thyroid (hypothyroidism) Undescended testicles Unintentional weight loss Urinary catheter Urinary incontinence Urinary tract infections (UTIs) Urine albumin to creatinine ratio (ACR) Uveitis
