Abbreviation |
Interpretation |
| U | units |
| unknown | |
| upper | |
| urine | |
| UA | urine analysis |
| unstable angina | |
| uric acid | |
| upper airways | |
| upper arm | |
| UAC | umbilical artery catheter |
| UAD | use as directed |
| upper airway disease | |
| UAE | urinary albumin excretion |
| UAL | ultrasound-assisted lipoplasty |
| umbilical artery line | |
| UAO | upper airway obstruction |
| UAP | unstable angina pectoris |
| upper abdominal pain | |
| UARS | upper airway resistance syndrome |
| UAS | umbilical arteries |
| UBC | urinary bladder cancer |
| unilateral breast cancer | |
| UBD | Urinary bladder distension |
| universal blood donor | |
| UBE | upper body exercise |
| UBF | uterine blood flow |
| UBI | ultraviolet blood irradiation |
| UBO | upper body obesity |
| UBT | Urea Breath Test |
| uterine balloon therapy | |
| UBW | usual body weight |
| UC | ulcerative colitis |
| uterine contractions | |
| urinary catheter | |
| unchanged | |
| unconscious | |
| urea clearance | |
| umbilical cord | |
| urine culture | |
| UCAD | unstable coronary artery disease |
| UCB | umbilical cord blood |
| UCD | underlying cause of death |
| UCF | unexplained chronic fatigue - encompasses both chronic fatigue syndrome (CFS) and idiopathic chronic fatigue (ICF) |
| UCG | urinary chorionic gonadotropin |
| UCHD | usual childhood diseases |
| UCI | unusual childhood illness |
| urethral / urinary catheter in | |
| UCLP | unilateral cleft lip and palate |
| UCO | urethral catheter out |
| umbilical cord occlusion | |
| UCR | urinary creatinine |
| Usual, Customary and Reasonable | |
| UCS | uterine compression syndrome |
| UCTD | undifferentiated connective tissue disease |
| UCVA | uncorrected visual acuity |
| UCX | urine culture |
| UD | urethral discharge |
| ulcerative dermatosis | |
| use as directed | |
| usual diet | |
| under developed | |
| urethral dilatation | |
| ulnar deviation | |
| UDC | usual diseases of childhood |
| UDN | ulcerative dermal necrosis |
| UDS | urine drug screen |
| ultrasound Doppler sonography | |
| UDT | undescended testicles |
| UE | unknown etiology |
| under elbow | |
| upper extremity | |
| upper esophagus | |
| UEC | uterine endometrial carcinoma |
| UES | upper esophageal sphincter |
| UF | ultrafiltration |
| unbound fraction | |
| UFC | urinary free cortisol |
| UFF | ultrafiltration failure |
| UFH | unfractionated heparin |
| UFN | until further notice |
| UFO | Until Further Order(s) |
| UFR | ultrafiltration rate |
| UFV | ultrafiltration volume |
| UG | until gone |
| urogenital | |
| upward gaze | |
| UGA | under general anesthesia |
| UGB | upper gastrointestinal bleeding |
| UGCR | ultrasound-guided compression repair |
| UGH | uveitis, glaucoma, and hyphema |
| urinary growth hormone | |
| UGI | upper gastrointestinal , upper gastrointestinal bleeding, upper gastrointestinal series |
| UGP | urinary gonadotropin peptide |
| UH | umbilical hernia |
| upper half | |
| UI | urinary incontinence |
| urinary infection | |
| UIQ | upper inner quadrant |
| UJ | ulcerative jejunitis |
| UK | unknown |
| UKR | unicompartmental knee replacement |
| UL | upper lobe |
| upper limb(s) | |
| upper lid | |
| unilateral | |
| ULET | Uniform Life-Expectancy Table |
| ULLE | upper lid - left eye |
| ULN | upper limits of normal |
| ULQ | upper left quadrant |
| ULRE | upper lid - right eye |
| ULTT | Upper Limb Tension Test |
| UM | uracil mustard |
| Micrometer | |
| utilization management | |
| UMN | upper motor neuron |
| UN | urea nitrogen |
| unilateral nephrectomy | |
| undernourished | |
| UNA | urinary sodium |
| UNC | Uncertain, unconscious, uncooperative |
| UNE | urinary norepinephrine |
| UNG | ointment |
| UNK | uterine NK |
| unknown | |
| UNL | upper normal limit |
| UNS | unsymmetrical |
| UO | urine output |
| undetermined origin | |
| UOP | urine output |
| UOQ | upper outer quadrant |
| UOSM | urinary osmolality |
| UP | ulcerative proctitis |
| upright | |
| ulcerated plaque | |
| upright posture | |
| UPC | unknown primary carcinoma |
| UPD | update |
| uniparental disomy | |
| UPJ | ureteropelvic junction |
| UPP | urethral pressure profile |
| uvulopalatoplasty | |
| UPSC | uterine papillary serous carcinoma |
| UPT | unknown primary tumor |
| urinary pregnancy test | |
| UR | upper respiratory |
| utilization review | |
| urinary retention | |
| upper right | |
| urine | |
| URA | unilateral renal agenesis |
| URAS | unilateral renal artery stenosis |
| URD | Upper respiratory disease |
| URG | urgent |
| URI | upper respiratory tract infection |
| URL | upper rate/reference limit |
| URO | urology |
| uroporphyrin | |
| UROB | urobilinogen |
| URQ | upper right quadrant |
| URR | urea reduction ratio/rate |
| URS | ultrasonic renal scanning |
| ureterorenoscopy | |
| unconditioned responses | |
| URT | upper respiratory tract |
| US | ultrasound |
| unconditioned stimuli | |
| USA | unstable angina |
| USB | upper sternal border |
| USC | uterine serous carcinoma |
| usual source of care | |
| USG | urine specific gravity |
| ultrasonography | |
| USH | usual state of health |
| USI | urinary stress incontinence |
| USL | ultrasonic lithotripsy |
| USN | ultrasonic nebulizer |
| USO | unilateral salpingo-oophorectomy |
| UT | urinary tract |
| uterus | |
| untreated | |
| UTA | uterine artery |
| urinary tract anomaly | |
| UTC | Ultrasonic tissue characterization |
| undifferentiated thyroid carcinoma | |
| UTD | up to date |
| unable to determine | |
| UTF | urinary tissue factor |
| UTI | urinary tract infection |
| UTO | urinary tract obstruction |
| unable to obtain | |
| UTP | Urinary total protein |
| UTR | untranslated region - Regions of mature RNA that do not code for proteins |
| UTS | ulnar tunnel syndrome |
| unable to see | |
| UUI | urge urinary incontinence |
| UUN | urinary urea nitrogen |
| UUTI | uncomplicated urinary tract infections |
| UV | umbilical vein |
| ultraviolet (radiation) | |
| urine volume | |
| UVA | ultraviolet A light / irradiation |
| UVB | ultraviolet B light / irradiation |
| UVC | umbilical venous catheter |
| ultraviolet C | |
| UVEB | unifocal ventricular ectopic beat |
| UVGI | ultraviolet germicidal irradiation |
| UVJ | ureterovesical junction |
| UVL | ultraviolet light / ultra violet lithography |
| umbilical venous line | |
| UVR | ultraviolet radiation |
| UW | unilateral weakness |
| UWB | unit of whole blood |
| UXO | unexploded ordnance |
Medical Abbreviations – U
