Browse Medical Abbreviations
U
| U | unit(s); urine; uracil |
| U a | unit a |
| U-100 | 100 units per milliliter (insulin) |
| U/A | urinalysis |
| U/L | upper and lower |
| u/o | urine output |
| U/P | uretero pelvic |
| U/S | ultrasound |
| UA | unstable angina; urinalysis |
| Ua | uranium |
| UAC | umbilical artery catheter |
| UAO | upper airway obstruction |
| UAP | unlicensed assistive personnel; unstable angina pectoris |
| UB | upper body |
| UC | unchanged; uterine contraction; ulcerative colitis |
| UCB | umbilical cord blood |
| UCC | urothelial cell carcinoma; urgent care center |
| UCG | urinary chorionic gonadotropin |
| UCL | ulnar collateral ligament |
| UCTD | undifferentiated connective tissue disease |
| UD | unit dose; ulnar deviation |
| UDAB | urine drugs of abuse |
| UE | upper extremity |
| UEC | urgent and emergency care |
| UES | upper esophageal sphincter |
| UF | ultrafiltration |
| UFC | urinary free cortisol |
| UFH | unfractionated heparin |
| UFR | ultrafiltration rate |
| ug | microgram (0.000001 gram) |
| UG | urogenital |
| ugE | microgE |
| UGI | upper gastrointestinal |
| UHF | ultrahigh frequency |
| uL | microliter |
| UL | (tolerable) upper intake level; upper lid |
| ul | ulnar |
| ULBW | ultra low birth weight |
| ULNS | upper limits of normal size |
| umb | umbilicus, umbilical |
| UMN | upper motor neuron |
| UN | united nations |
| ung | ointment (unguentum) |
| UNICEF | United Nations International Children's Emergency Fund |
| unilat. | unilateral |
| unk | unknown |
| UNOS | United Network For Organ Sharing |
| UO | urinary output |
| UOP | urinary output |
| UOQ | upper outer quadrant |
| uPA | urokinase plasminogen activator |
| UPC | units of packed cells |
| UPDRS | Unified Parkinson's Disease Rating Scale |
| UPJ | uretero pelvic junction |
| UPP | urethral pressure profile |
| UPT | urine pregnancy test |
| UQ | upper quadrant |
| UR | utilization review; upper respiratory |
| ur | urine |
| URI | upper respiratory infection |
| Urol | urology |
| URQ | upper right quadrant |
| URT | upper respiratory tract |
| URTI | upper respiratory tract infection |
| US | ultrasonic; ultrasound |
| USP | United States Pharmacopeia |
| uSpA | undifferentiated spondylarthropathy |
| ut | uterus |
| ut. dict. | as directed (ut dictum) |
| UTD | up to date |
| UTI | urinary tract infection |
| UTox | urine toxicology screen (for drugs) |
| UTV | ultrasound transmission velocity |
| UUN | urine urea nitrogen |
| UV | umbilical vein; ultraviolet; urine volume |
| UVA | ultraviolet A (rays) |
| UVB | ultraviolet B (rays) |
| UVC | umbilical venous catheter |
| UVGI | ultraviolet germicidal irradiation |
| UVJ | uretero vesicle junction |
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Abbreviations vary by context and institution. Many abbreviations have alternate or newer meanings not reflected in this set. The abbreviations on this page should not be considered complete.