This article contains a list of commonly used medical abbreviations and acronyms that start with the letter U and may be encountered in medicine and radiology (please keep the main list and any sublists in alphabetic order).
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 - misc
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U
uracil (RNA nucleotide)
uranium
selenocysteine (single letter amino acid code)
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UA
urine analysis
U&Es: urea and electrolytes (incorrectly: Us & Es)
UBC: unicameral bone cyst
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UC
UEC: urea, electrolytes, creatinine
UG: undergraduate
UK: United Kingdom
UL: upper limb
ULAR: ultra low anterior resection
UO: ureteric orifice
UPS: uninterruptible power supply
UPSI: unprotected sexual intercourse
UQ: upper quartile
US: ultrasound
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USA
United States of America
uptake in supraclavicular area fat
USG: ultrasonography
USMLE: United States Medical Licensing Exam
USPIO: ultra small superparamagnetic iron oxide (nanoparticles)
USS: ultrasound scan
USWP: ulnar-sided wrist pain
Ut: uterus
UTE: ultrashort echo time
UTSE: ultrashort turbo spin echo (Philips)
UTWB: unable to weight bear
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UV
ultraviolet
UWF: unwitnessed fall
UWSD: underwater seal drain
UZ: upper zone
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