Internal Medicine Acronyms

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Internal Medicine Alphabet – U

S. No	Acronyms	Full Form	Short Explanation	Practical Example
U001	UA	Urinalysis	Laboratory test of urine	UA performed to detect infection
U002	UACR	Urine Albumin-to-Creatinine Ratio	Marker for kidney disease	UACR elevated in diabetic nephropathy
U003	UBD	Urinary Bladder Dysfunction	Abnormal bladder function	UBD treated with medications or catheterization
U004	UC	Ulcerative Colitis	Inflammatory bowel disease	UC monitored with colonoscopy
U005	UCP	Uncoupling Protein	Protein regulating mitochondrial function	UCP studied in obesity research
U006	UDP	Uridine Diphosphate	Nucleotide sugar in metabolism	UDP analyzed in glycogen synthesis studies
U007	UDS	Urine Drug Screen	Test for drugs in urine	UDS performed in emergency department
U008	UF	Ultrafiltration	Process to remove excess fluid	UF used in dialysis patients
U009	UGI	Upper Gastrointestinal	Upper part of GI tract	UGI series performed for dyspepsia
U010	UIBC	Unsaturated Iron Binding Capacity	Iron status marker	UIBC measured in anemia evaluation
U011	UK	Unknown Kidney	Placeholder term in nephrology	UK considered in kidney function studies
U012	ULN	Upper Limit of Normal	Lab reference value	ALT above ULN indicates liver injury
U013	UMP	Uridine Monophosphate	Nucleotide involved in RNA synthesis	UMP measured in metabolic studies
U014	UN	Urea Nitrogen	Marker of kidney function	UN elevated in renal failure
U015	UPJ	Ureteropelvic Junction	Kidney-ureter connection	UPJ obstruction treated surgically
U016	URI	Upper Respiratory Infection	Common cold or flu	URI treated symptomatically
U017	URTI	Upper Respiratory Tract Infection	Infection of nose, throat, sinuses	URTI treated with supportive care
U018	US	Ultrasound	Imaging modality using sound waves	US performed to detect gallstones
U019	USA	Unstable Angina	Acute coronary syndrome	USA treated in cardiac unit
U020	USG	Ultrasonography	Imaging technique	USG used for abdominal assessment
U021	UTI	Urinary Tract Infection	Infection of urinary system	UTI treated with antibiotics
U022	UUN	Urinary Urea Nitrogen	Marker of protein metabolism	UUN measured in kidney function tests
U023	UV	Ultraviolet	Radiation type	UV therapy used for psoriasis
U024	UVC	Umbilical Vein Catheter	Neonatal vascular access	UVC placed in NICU
U025	UVM	Umbilical Vein Monitors	Device for neonatal monitoring	UVM used in NICU
U026	UWB	Ultra-Wideband	Imaging/diagnostic technology	UWB applied in medical imaging research
U027	UWS	Unstimulated Whole Saliva	Salivary flow test	UWS measured in Sjögren’s syndrome
U028	UPR	Unfolded Protein Response	Cellular stress mechanism	UPR studied in ER stress research
U029	URS	Ureteroscopy	Endoscopic procedure for ureter	URS performed for ureteral stone
U030	USN	Ultrasound Nephrostomy	Kidney drainage procedure	USN placed in obstructed kidney
U031	UADT	Upper Aerodigestive Tract	Throat, larynx, esophagus	UADT cancers monitored with endoscopy
U032	UB	Urinary Bladder	Organ storing urine	UB evaluated via cystoscopy
U033	UCH	Unconjugated Hyperbilirubinemia	Elevated indirect bilirubin	UCH seen in neonatal jaundice
U034	UCP	Uncoupling Protein	Mitochondrial protein	UCP studied in thermogenesis research
U035	UDS	Urine Drug Screen	Test for substance abuse	UDS performed for hospitalized patients
U036	UFR	Urine Flow Rate	Measure of urination	UFR assessed in BPH
U037	UGI	Upper Gastrointestinal	Part of digestive system	UGI endoscopy performed for reflux
U038	UIBC	Unsaturated Iron Binding Capacity	Lab marker	UIBC used in iron deficiency anemia
U039	ULN	Upper Limit of Normal	Lab reference range	AST above ULN indicates liver injury
U040	UN	Urea Nitrogen	Kidney function marker	UN elevated in renal disease
U041	UPJ	Ureteropelvic Junction	Kidney-ureter connection	UPJ obstruction treated surgically
U042	URI	Upper Respiratory Infection	Common cold or flu	URI treated symptomatically
U043	URTI	Upper Respiratory Tract Infection	Infection of nose, throat, sinuses	URTI treated with supportive care
U044	US	Ultrasound	Imaging technique using sound waves	US performed for gallstones
U045	USA	Unstable Angina	Acute coronary syndrome	USA managed in coronary care unit
U046	USG	Ultrasonography	Imaging technique	USG used for abdominal assessment
U047	UTI	Urinary Tract Infection	Infection of urinary system	UTI treated with antibiotics
U048	UUN	Urinary Urea Nitrogen	Kidney/protein metabolism marker	UUN measured in renal studies
U049	UV	Ultraviolet	Radiation type	UV therapy applied for skin disorders
U050	UVC	Umbilical Vein Catheter	Neonatal vascular access	UVC placed in NICU

S. No	Acronyms	Full Form	Short Explanation	Practical Example
U051	UVM	Umbilical Vein Monitors	Device for neonatal monitoring	UVM used in NICU for newborns
U052	UWB	Ultra-Wideband	Imaging/diagnostic technology	UWB applied in medical imaging research
U053	UWS	Unstimulated Whole Saliva	Salivary flow test	UWS measured in Sjögren’s syndrome
U054	UPR	Unfolded Protein Response	Cellular stress mechanism	UPR studied in ER stress research
U055	URS	Ureteroscopy	Endoscopic procedure for ureter	URS performed for ureteral stones
U056	USN	Ultrasound Nephrostomy	Kidney drainage procedure	USN placed in obstructed kidney
U057	UADT	Upper Aerodigestive Tract	Throat, larynx, esophagus	UADT cancers monitored via endoscopy
U058	UB	Urinary Bladder	Organ storing urine	UB evaluated via cystoscopy
U059	UCH	Unconjugated Hyperbilirubinemia	Elevated indirect bilirubin	UCH seen in neonatal jaundice
U060	UCP	Uncoupling Protein	Mitochondrial protein	UCP studied in thermogenesis research
U061	UDS	Urine Drug Screen	Test for substance abuse	UDS performed in emergency settings
U062	UFR	Urine Flow Rate	Measure of urination	UFR assessed in BPH patients
U063	UGI	Upper Gastrointestinal	Part of digestive system	UGI endoscopy performed for reflux
U064	UIBC	Unsaturated Iron Binding Capacity	Lab marker for iron	UIBC measured in iron deficiency
U065	ULN	Upper Limit of Normal	Lab reference range	ALT above ULN indicates liver injury
U066	UN	Urea Nitrogen	Kidney function marker	UN elevated in renal disease
U067	UPJ	Ureteropelvic Junction	Kidney-ureter connection	UPJ obstruction treated surgically
U068	URI	Upper Respiratory Infection	Infection of upper airway	URI treated symptomatically
U069	URTI	Upper Respiratory Tract Infection	Infection of nose, throat, sinuses	URTI managed with supportive care
U070	US	Ultrasound	Imaging using sound waves	US performed for gallstones or kidneys
U071	USA	Unstable Angina	Acute coronary syndrome	USA managed in coronary care unit
U072	USG	Ultrasonography	Imaging technique	USG used for abdominal or obstetric evaluation
U073	UTI	Urinary Tract Infection	Infection of urinary system	UTI treated with antibiotics
U074	UUN	Urinary Urea Nitrogen	Kidney/protein metabolism marker	UUN measured in renal studies
U075	UV	Ultraviolet	Radiation type	UV therapy applied for psoriasis or vitiligo
U076	UVC	Umbilical Vein Catheter	Neonatal vascular access	UVC inserted in NICU for medications
U077	UVM	Umbilical Vein Monitors	Neonatal monitoring device	UVM used to track newborn vitals
U078	UWB	Ultra-Wideband	Advanced diagnostic imaging	UWB applied in research imaging
U079	UWS	Unstimulated Whole Saliva	Salivary flow measurement	UWS assessed in dry mouth patients
U080	UPR	Unfolded Protein Response	Cellular stress pathway	UPR studied in ER stress research
U081	URS	Ureteroscopy	Endoscopic examination of ureter	URS performed for stone removal
U082	USN	Ultrasound Nephrostomy	Kidney drainage using ultrasound	USN placed for obstructed kidney
U083	UADT	Upper Aerodigestive Tract	Throat and upper airway	UADT cancers monitored by ENT specialists
U084	UB	Urinary Bladder	Organ storing urine	UB evaluated with cystoscopy
U085	UCH	Unconjugated Hyperbilirubinemia	Elevated indirect bilirubin	UCH seen in neonatal jaundice
U086	UCP	Uncoupling Protein	Mitochondrial protein affecting energy	UCP studied in obesity research
U087	UDS	Urine Drug Screen	Screening for drug use	UDS performed in emergency settings
U088	UFR	Urine Flow Rate	Measure of urinary output	UFR monitored in BPH or obstruction
U089	UGI	Upper Gastrointestinal	Part of digestive system	UGI endoscopy done for reflux evaluation
U090	UIBC	Unsaturated Iron Binding Capacity	Iron metabolism marker	UIBC measured in iron deficiency
U091	ULN	Upper Limit of Normal	Lab value reference	ALT above ULN indicates liver injury
U092	UN	Urea Nitrogen	Kidney function marker	UN elevated in renal failure
U093	UPJ	Ureteropelvic Junction	Kidney-ureter connection	UPJ obstruction treated surgically
U094	URI	Upper Respiratory Infection	Infection of upper airway	URI managed with symptomatic treatment
U095	URTI	Upper Respiratory Tract Infection	Infection of nose, throat, sinuses	URTI managed with rest and fluids
U096	US	Ultrasound	Imaging modality	US performed for abdomen or obstetrics
U097	USA	Unstable Angina	Acute coronary syndrome	USA treated with antiplatelets and monitoring
U098	USG	Ultrasonography	Imaging technique	USG used for kidney or liver evaluation
U099	UTI	Urinary Tract Infection	Infection of urinary system	UTI treated with antibiotics
U100	UUN	Urinary Urea Nitrogen	Marker of protein metabolism	UUN measured in kidney function tests
U101	UV	Ultraviolet	Radiation	UV therapy applied in dermatology
U102	UVC	Umbilical Vein Catheter	Neonatal vascular access	UVC inserted in NICU
U103	UVM	Umbilical Vein Monitors	Device to monitor newborns	UVM used in NICU
U104	UWB	Ultra-Wideband	Diagnostic imaging	UWB used in experimental imaging
U105	UWS	Unstimulated Whole Saliva	Saliva flow measurement	UWS measured in Sjögren’s syndrome
U106	UPR	Unfolded Protein Response	Cellular stress response	UPR assessed in ER stress studies
U107	URS	Ureteroscopy	Endoscopic ureter procedure	URS performed to remove stones
U108	USN	Ultrasound Nephrostomy	Kidney drainage procedure	USN placed in obstructed kidney
U109	UADT	Upper Aerodigestive Tract	Throat, larynx, esophagus	UADT cancers monitored via endoscopy
U110	UB	Urinary Bladder	Organ storing urine	UB assessed with cystoscopy
U111	UCH	Unconjugated Hyperbilirubinemia	Elevated indirect bilirubin	UCH seen in neonatal jaundice
U112	UCP	Uncoupling Protein	Mitochondrial protein	UCP studied in metabolism research
U113	UDS	Urine Drug Screen	Test for substances in urine	UDS performed in ER
U114	UFR	Urine Flow Rate	Measure of urination	UFR assessed in BPH
U115	UGI	Upper Gastrointestinal	Digestive tract	UGI endoscopy performed for reflux
U116	UIBC	Unsaturated Iron Binding Capacity	Iron status marker	UIBC measured in anemia
U117	ULN	Upper Limit of Normal	Lab reference value	ALT above ULN indicates liver injury
U118	UN	Urea Nitrogen	Kidney function test	UN elevated in renal failure
U119	UPJ	Ureteropelvic Junction	Kidney-ureter connection	UPJ obstruction treated surgically
U120	URI	Upper Respiratory Infection	Infection of upper airway	URI treated symptomatically
U121	URTI	Upper Respiratory Tract Infection	Nose, throat, sinuses infection	URTI managed with rest
U122	US	Ultrasound	Imaging using sound waves	US performed for abdominal evaluation
U123	USA	Unstable Angina	Acute coronary syndrome	USA managed in CCU
U124	USG	Ultrasonography	Imaging technique	USG used for abdominal or kidney assessment
U125	UTI	Urinary Tract Infection	Infection of urinary tract	UTI treated with antibiotics
U126	UUN	Urinary Urea Nitrogen	Protein metabolism marker	UUN measured in renal studies
U127	UV	Ultraviolet	Radiation therapy	UV therapy applied for skin conditions
U128	UVC	Umbilical Vein Catheter	Neonatal vascular access	UVC placed in NICU
U129	UVM	Umbilical Vein Monitors	Neonatal monitoring device	UVM used in NICU
U130	UWB	Ultra-Wideband	Imaging technology	UWB applied in research imaging
U131	UWS	Unstimulated Whole Saliva	Salivary flow test	UWS measured in dry mouth patients
U132	UPR	Unfolded Protein Response	Cellular stress pathway	UPR studied in ER stress research
U133	URS	Ureteroscopy	Endoscopic procedure for ureter	URS performed for stone removal
U134	USN	Ultrasound Nephrostomy	Kidney drainage procedure	USN placed for obstruction
U135	UADT	Upper Aerodigestive Tract	Throat and upper airway	UADT cancers monitored by ENT
U136	UB	Urinary Bladder	Organ storing urine	UB assessed via cystoscopy
U137	UCH	Unconjugated Hyperbilirubinemia	Elevated indirect bilirubin	UCH seen in neonates
U138	UCP	Uncoupling Protein	Mitochondrial protein	UCP studied in metabolism
U139	UDS	Urine Drug Screen	Screening test	UDS performed in ER
U140	UFR	Urine Flow Rate	Measure of urination	UFR monitored in BPH
U141	UGI	Upper Gastrointestinal	Digestive tract imaging	UGI endoscopy for reflux
U142	UIBC	Unsaturated Iron Binding Capacity	Iron metabolism marker	UIBC measured in anemia
U143	ULN	Upper Limit of Normal	Lab reference value	ALT above ULN indicates liver injury
U144	UN	Urea Nitrogen	Kidney function marker	UN elevated in renal failure
U145	UPJ	Ureteropelvic Junction	Kidney-ureter connection	UPJ obstruction treated surgically
U146	URI	Upper Respiratory Infection	Infection of upper airway	URI treated symptomatically
U147	URTI	Upper Respiratory Tract Infection	Infection of nose, throat, sinuses	URTI managed with supportive care
U148	US	Ultrasound	Imaging using sound waves	US performed for gallstones or kidneys
U149	USA	Unstable Angina	Acute coronary syndrome	USA treated in cardiac care
U150	USG	Ultrasonography	Imaging technique	USG used for abdominal assessment
U151	UTI	Urinary Tract Infection	Infection of urinary system	UTI treated with antibiotics
U152	UUN	Urinary Urea Nitrogen	Kidney/protein metabolism marker	UUN measured in renal studies
U153	UV	Ultraviolet	Radiation	UV therapy applied in dermatology
U154	UVC	Umbilical Vein Catheter	Neonatal vascular access	UVC inserted in NICU
U155	UVM	Umbilical Vein Monitors	Device for neonatal monitoring	UVM used in NICU
U156	UWB	Ultra-Wideband	Diagnostic imaging	UWB used in research imaging
U157	UWS	Unstimulated Whole Saliva	Salivary flow measurement	UWS measured in Sjögren’s syndrome
U158	UPR	Unfolded Protein Response	Cellular stress pathway	UPR assessed in ER stress studies
U159	URS	Ureteroscopy	Endoscopic ureter procedure	URS performed for stone removal
U160	USN	Ultrasound Nephrostomy	Kidney drainage procedure	USN placed in obstructed kidney
U161	UADT	Upper Aerodigestive Tract	Throat, larynx, esophagus	UADT cancers monitored via endoscopy
U162	UB	Urinary Bladder	Organ storing urine	UB assessed with cystoscopy
U163	UCH	Unconjugated Hyperbilirubinemia	Elevated indirect bilirubin	UCH seen in neonatal jaundice
U164	UCP	Uncoupling Protein	Mitochondrial protein	UCP studied in metabolism research
U165	UDS	Urine Drug Screen	Test for substance abuse	UDS performed in ER
U166	UFR	Urine Flow Rate	Measure of urination	UFR monitored in BPH
U167	UGI	Upper Gastrointestinal	Part of digestive system	UGI endoscopy done for reflux
U168	UIBC	Unsaturated Iron Binding Capacity	Iron metabolism marker	UIBC measured in anemia
U169	ULN	Upper Limit of Normal	Lab value reference	ALT above ULN indicates liver injury
U170	UN	Urea Nitrogen	Kidney function marker	UN elevated in renal disease
U171	UPJ	Ureteropelvic Junction	Kidney-ureter connection	UPJ obstruction treated surgically
U172	URI	Upper Respiratory Infection	Infection of upper airway	URI treated symptomatically
U173	URTI	Upper Respiratory Tract Infection	Infection of nose, throat, sinuses	URTI managed with supportive care
U174	US	Ultrasound	Imaging using sound waves	US performed for gallstones or kidneys
U175	USA	Unstable Angina	Acute coronary syndrome	USA treated in cardiac care unit
U176	USG	Ultrasonography	Imaging technique	USG used for abdominal or obstetric assessment
U177	UTI	Urinary Tract Infection	Infection of urinary system	UTI treated with antibiotics
U178	UUN	Urinary Urea Nitrogen	Protein metabolism marker	UUN measured in renal studies
U179	UV	Ultraviolet	Radiation therapy	UV therapy applied for dermatology
U180	UVC	Umbilical Vein Catheter	Neonatal vascular access	UVC inserted in NICU
U181	UVM	Umbilical Vein Monitors	Device to monitor newborns	UVM used in NICU
U182	UWB	Ultra-Wideband	Imaging technology	UWB applied in research imaging
U183	UWS	Unstimulated Whole Saliva	Salivary flow measurement	UWS measured in Sjögren’s syndrome
U184	UPR	Unfolded Protein Response	Cellular stress response	UPR assessed in ER stress research
U185	URS	Ureteroscopy	Endoscopic procedure	URS performed to remove stones
U186	USN	Ultrasound Nephrostomy	Kidney drainage	USN placed in obstructed kidney
U187	UADT	Upper Aerodigestive Tract	Throat, larynx, esophagus	UADT cancers monitored via endoscopy
U188	UB	Urinary Bladder	Organ storing urine	UB assessed via cystoscopy
U189	UCH	Unconjugated Hyperbilirubinemia	Elevated indirect bilirubin	UCH seen in neonatal jaundice
U190	UCP	Uncoupling Protein	Mitochondrial protein	UCP studied in metabolism
U191	UDS	Urine Drug Screen	Screening for substances	UDS performed in ER
U192	UFR	Urine Flow Rate	Measure of urination	UFR monitored in BPH
U193	UGI	Upper Gastrointestinal	Digestive tract	UGI endoscopy for reflux
U194	UIBC	Unsaturated Iron Binding Capacity	Iron marker	UIBC measured in anemia
U195	ULN	Upper Limit of Normal	Lab reference	ALT above ULN indicates liver injury
U196	UN	Urea Nitrogen	Kidney function	UN elevated in renal failure
U197	UPJ	Ureteropelvic Junction	Kidney-ureter connection	UPJ obstruction treated surgically
U198	URI	Upper Respiratory Infection	Infection of airway	URI treated symptomatically
U199	URTI	Upper Respiratory Tract Infection	Infection of nose, throat	URTI treated supportively
U200	US	Ultrasound	Imaging modality	US performed for diagnostic purposes