 U : Logical Observation Identifiers Names and Codes DirectoryHome Medical Coding Library LOINC Codes Uu ... 19 U ... 12U1 ... 14 U2 ... 2U6_PTV ... 1 UA ... 24UBE3A ... 1 Ubiquinone10 ... 7Ubiquitin ... 1 UDPG4Epimerase ... 2UE ... 116 UEA1 ... 1UFH ... 5 UGI ... 9UGIGB ... 1 UGISB ... 3UGISBGB ... 1 UGT1A1 ... 5UGT1A128 ... 1 UGT2B15 ... 2UIBC ... 3 uidA ... 1UIE ... 1 Ulnar ... 10Ultrasonographer ... 1 Umb ... 11UMOD ... 1 UMP ... 1Unable ... 3 UNC13D ... 1Uncomfort ... 1 Uncontrollable ... 1Uncontrolled ... 1 Undermining ... 3Understand ... 2 Undescended ... 3Unemployed ... 1 Unexplained ... 1Unfairly ... 8 Unfinished ... 1Unident ... 29 Unique ... 4Unpredictable ... 1 Unspecified ... 7Unsteady ... 1 Unusual ... 4Up ... 1 uPA ... 3UPDRS ... 1 Upholstery ... 1Upper ... 32 Upr ... 1Upset ... 4 UR ... 5Uracil ... 5 Uranium ... 19Urate ... 55 Urea ... 96Ureaplasma ... 2 Urease ... 10Ureidopropionate ... 1 UreterBlad ... 1Urethra ... 1 Urgent ... 1Uridine ... 3 Uridyl ... 2Urinalysis ... 3 Urinary ... 5Urinate ... 1 Urine ... 5Urineflow ... 1 Urn ... 2UrnS ... 1 URO ... 8Urobilin ... 4 Urobilinogen ... 23Uroflow ... 1 Uroflowmetry ... 1Urology ... 15 Uronate ... 1Uropor ... 26 Uropor1 ... 11Uropor3 ... 10 Ursodeoxycholate ... 3Urth ... 1 US ... 151Use ... 7 Used ... 4USH1C ... 2 USH2A ... 1Using ... 1 Usual ... 6UT ... 1 Utensils ... 1Uterine ... 15 Uterus ... 13UterusFT ... 4 UUN ... 14 