| 1323-5 | U Ab [Presence] in Serum or Plasma from Blood product unit | U Ab |
| 1324-3 | U Ab [Presence] in Serum or Plasma from donor | U Ab |
| 1325-0 | U Ab [Presence] in Serum or Plasma | U Ab |
| 1326-8 | U Ag [Presence] on Red Blood Cells from Blood product unit | U Ag |
| 1327-6 | U Ag [Presence] on Red Blood Cells from donor | U Ag |
| 1328-4 | U Ag [Presence] on Red Blood Cells | U Ag |
| 53032-9 | U1 small nuclear ribonucleoprotein 70kD Ab [Presence] in Serum | U1 small nuclear ribonucleoprotein 70kD Ab |
| 54032-8 | U1 small nuclear ribonucleoprotein A Ab [Presence] in Serum | U1 small nuclear ribonucleoprotein A Ab |
| 53022-0 | U1 small nuclear ribonucleoprotein Ab [Presence] in Serum | U1 small nuclear ribonucleoprotein Ab |
| 33983-8 | U1 small nuclear ribonucleoprotein IgG Ab [Units/volume] in Serum | U1 small nuclear ribonucleoprotein Ab.IgG |
| 38369-5 | U1 small nuclear ribonucleoprotein IgG Ab [Presence] in Serum | U1 small nuclear ribonucleoprotein Ab.IgG |
| 40467-3 | U1 small nuclear ribonucleoprotein IgG Ab [Units/volume] in Serum by Immunoblot (IB) | U1 small nuclear ribonucleoprotein Ab.IgG |
| 54023-7 | U1 small nuclear ribonucleoprotein C Ab [Presence] in Serum | U1 small nuclear ribonucleoprotein C Ab |
| 45157-5 | U2 small nuclear ribonucleoprotein IgG Ab [Presence] in Serum | U2 small nuclear ribonucleoprotein Ab.IgG |
| 24357-6 | UA dipstick panel in Urine | UA dipstick panel |
| 50556-0 | UA dipstick panel in Urine by Automated test strip | UA dipstick panel |
| 24355-0 | UA macroscopic panel in Urine | UA macroscopic panel |
| 24365-9 | UA microscopic panel in Urine sediment | UA microscopic panel |
| 50554-5 | UA microscopic panel [#/volume] in Urine by Automated count | UA microscopic panel |
| 53293-7 | UA microscopic panel [#/area] in Urine by Automated count | UA microscopic panel |
| 53315-8 | UA microscopic panel [Presence] in Urine by Automated | UA microscopic panel |
| 35291-4 | UBE3A gene mutations found [Identifier] in Blood by Molecular genetics method Nominal | UBE3A gene mutation analysis |
| 18209-7 | Ubiquinone 10 [Units/volume] in Serum or Plasma | Ubiquinone 10 |
| 27923-2 | Ubiquinone 10 [Mass/volume] in Serum or Plasma | Ubiquinone 10 |
| 51987-6 | Ubiquinone 10 [Presence] in Serum or Plasma | Ubiquinone 10 |
| 51951-2 | UGT1A1 gene allele 1 [Identifier] in Blood or Tissue by Molecular genetics method Nominal | UGT1A1 gene allele 1 |
| 51952-0 | UGT1A1 gene allele 2 [Identifier] in Blood or Tissue by Molecular genetics method Nominal | UGT1A1 gene allele 2 |
| 34509-0 | UGT1A1 gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Narrative | UGT1A1 gene mutation analysis |
| 41044-9 | UGT1A1 gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal | UGT1A1 gene mutation analysis |
| 45795-2 | None | Ulcer care |
| 46047-7 | None | Ulcers |
| 45776-2 | None | Ulcers.stage 1 |
| 45777-0 | None | Ulcers.stage 2 |
| 45778-8 | None | Ulcers.stage 3 |
| 45779-6 | None | Ulcers.stage 4 |
| 10518-9 | Ulex europaeus I lectin Ag [Presence] in Tissue by Immune stain | Ulex europaeus I lectin Ag |
| 6109-3 | White Elm IgE Ab [Units/volume] in Serum | Ulmus americana Ab.IgE |
| 7300-7 | None | Ulmus americana Ab.IgE |
| 15697-6 | White Elm IgE Ab RAST class in Serum | Ulmus americana Ab.IgE.RAST class |
| 13183-9 | White Elm IgG Ab [Units/volume] in Serum or Plasma | Ulmus americana Ab.IgG |
| 7301-5 | White Elm triggered histamine release [Units/volume] in Blood | Ulmus americana basophil bound Ab |
| 7302-3 | Chinese Elm IgE Ab [Units/volume] in Serum | Ulmus pumila Ab.IgE |
| 7303-1 | None | Ulmus pumila Ab.IgE |
| 15698-4 | Chinese Elm IgE Ab RAST class in Serum | Ulmus pumila Ab.IgE.RAST class |
| 11204-5 | Ulocladium chartarum IgE Ab [Units/volume] in Serum | Ulocladium chartarum Ab.IgE |
| 16069-7 | Ulocladium chartarum IgE Ab RAST class in Serum | Ulocladium chartarum Ab.IgE.RAST class |
| 12157-4 | None | Ultrasonographer gravidity number |
| 12158-2 | None | Ultrasound class |
| 18160-2 | None | Ultrasound class |
| 18839-1 | Cardiac echo imaging device, ultrasound class (narrative) | Ultrasound class |
| 12159-0 | None | Ultrasound scan quality |
| 43358-1 | UNC13D gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal | UNC13D gene mutation analysis |
| 52730-9 | None | Undermining or tunneling present |
| 52622-8 | None | Understanding verbal content - excluding language barriers |
| 46615-1 | None | Understands & remembers detailed instructions |
| 46614-4 | None | Understands & remembers very short & simple instructions |
| 45578-2 | None | Unhappy with residents other than roommate |
| 45577-4 | None | Unhappy with roommate |
| 1270-8 | Unidentified Ab [Presence] in Serum or Plasma | Unidentified Ab |
| 32201-6 | Unidentified cells [#/volume] in Cerebral spinal fluid by Manual count | Unidentified cells |
| 32202-4 | Unidentified cells [#/volume] in Pericardial fluid by Manual count | Unidentified cells |
| 32203-2 | Unidentified cells [#/volume] in Pleural fluid by Manual count | Unidentified cells |
| 32204-0 | Unidentified cells [#/volume] in Peritoneal fluid by Manual count | Unidentified cells |
| 32205-7 | Unidentified cells [#/volume] in Synovial fluid by Manual count | Unidentified cells |
| 34986-0 | Unidentified cells [#/volume] in Pericardial fluid | Unidentified cells |
| 34987-8 | Unidentified cells [#/volume] in Cerebral spinal fluid | Unidentified cells |
| 34988-6 | Unidentified cells [#/volume] in Body fluid | Unidentified cells |
| 34989-4 | Unidentified cells [#/volume] in Pleural fluid | Unidentified cells |
| 34990-2 | Unidentified cells [#/volume] in Peritoneal fluid | Unidentified cells |
| 34991-0 | Unidentified cells [#/volume] in Synovial fluid | Unidentified cells |
| 48704-1 | Unidentified cells [#/volume] in Blood | Unidentified cells |
| 43415-9 | Unidentified cells/100 cells in Bone marrow | Unidentified cells/100 cells |
| 13527-7 | Unidentified cells/100 leukocytes in Cerebral spinal fluid by Manual count | Unidentified cells/100 leukocytes |
| 13528-5 | Unidentified cells/100 leukocytes in Body fluid by Manual count | Unidentified cells/100 leukocytes |
| 30468-3 | Unidentified cells/100 leukocytes in Cerebral spinal fluid | Unidentified cells/100 leukocytes |
| 34982-9 | Unidentified cells/100 leukocytes in Peritoneal fluid | Unidentified cells/100 leukocytes |
| 34983-7 | Unidentified cells/100 leukocytes in Pleural fluid | Unidentified cells/100 leukocytes |
| 34984-5 | Unidentified cells/100 leukocytes in Synovial fluid | Unidentified cells/100 leukocytes |
| 34985-2 | Unidentified cells/100 leukocytes in Body fluid | Unidentified cells/100 leukocytes |
| 44095-8 | Unidentified cells/100 leukocytes in Blood by Manual count | Unidentified cells/100 leukocytes |
| 44096-6 | Unidentified cells/100 leukocytes in Blood by Automated count | Unidentified cells/100 leukocytes |
| 44097-4 | Unidentified cells/100 leukocytes in Blood | Unidentified cells/100 leukocytes |
| 20435-4 | Unidentified extractable nuclear Ab [Presence] in Serum by Immune diffusion (ID) | Unidentified extractable nuclear Ab |
| 31693-5 | Unidentified extractable nuclear Ab [Presence] in Serum | Unidentified extractable nuclear Ab |
| 28234-3 | None | Unilateral neglect |
| 21831-3 | None | Unique tumor case ID |
| 45452-0 | None | Unknown customary routine - resident &or family unable to provide information |
| 46540-1 | None | Unobserved pressure ulcer |
| 46545-0 | None | Unobserved stasis ulcer |
| 46549-2 | None | Unobserved surgical wound |
| 45549-3 | None | Unpleasant mood in morning |
| 46004-8 | None | Unsettled releationships |
| 35078-5 | Unspecified cells [#/volume] in Body fluid | Unspecified cells |
| 13355-3 | Unspecified cells/100 leukocytes in Body fluid by Manual count | Unspecified cells/100 leukocytes |
| 30469-1 | Unspecified cells/100 leukocytes in Body fluid | Unspecified cells/100 leukocytes |
| 28235-0 | None | Unspecified constipation |
| 28236-8 | None | Unspecified pain |
| 45707-7 | None | Unsteady gait |
| 7755-2 | Upholstery dust IgE Ab [Units/volume] in Serum | Upholstery dust Ab.IgE |
| 52646-7 | None | Upper body dressing during 2D assessment period |
| 30485-7 | Uracil [Presence] in Urine | Uracil |
| 13819-8 | Uracil/Creatinine [Mass ratio] in Urine | Uracil/Creatinine |
| 25140-5 | Uracil/Creatinine [Molecular ratio] in Urine | Uracil/Creatinine |
| 21585-5 | Uranium [Mass/volume] in 24 hour Urine | Uranium |
| 21586-3 | Uranium [Mass/time] in 24 hour Urine | Uranium |
| 50928-1 | Uranium [Molecules/volume] in Urine | Uranium |
| 50929-9 | Uranium [Molecules/mass] in Hair | Uranium |
| 50930-7 | Uranium [Molecules/time] in 24 hour Urine | Uranium |
| 51211-1 | Uranium [Mass/volume] in Body fluid | Uranium |
| 5751-3 | Uranium [Mass/volume] in Blood | Uranium |
| 5752-1 | Uranium [Mass/volume] in Urine | Uranium |
| 41165-2 | Uranium 235/Uranium 238 [Mass ratio] in 24 hour Urine | Uranium 235/Uranium 238 |
| 41286-6 | Uranium 235/Uranium 238 [Mass ratio] in Urine | Uranium 235/Uranium 238 |
| 43420-9 | Uranium dose assessment [interpretation] in Urine | Uranium dose assessment |
| 49304-9 | Uranium dose assessment [interpretation] in Urine Narrative | Uranium dose assessment |
| 41164-5 | Uranium depleted [Presence] in Urine | Uranium.depleted |
| 43267-4 | Uranium depleted cutoff [Mass/volume] in Urine | Uranium.depleted cutoff |
| 49670-3 | Uranium.depleted panel in 24 hour Urine | Uranium.depleted panel |
| 41166-0 | Uranium depleted/Creatinine [Mass ratio] in Urine | Uranium.depleted/Creatinine |
| 41285-8 | Uranium depleted/Creatinine [Mass ratio] in 24 hour Urine | Uranium.depleted/Creatinine |
| 29989-1 | Uranium/Creatinine [Mass ratio] in 24 hour Urine | Uranium/Creatinine |
| 39540-0 | Uranium/Creatinine [Mass ratio] in Urine | Uranium/Creatinine |
| 52902-4 | Uranium/Creatinine [Molecular ratio] in 24 hour Urine | Uranium/Creatinine |
| 52903-2 | Uranium/Creatinine [Molecular ratio] in Urine | Uranium/Creatinine |
| 12980-9 | None | Urate |
| 13902-2 | Urate [Mass/volume] in Cerebral spinal fluid | Urate |
| 14932-8 | Urate [Presence] in Stone | Urate |
| 14933-6 | Urate [Molecules/volume] in Serum or Plasma | Urate |
| 14934-4 | Urate [Molecules/volume] in Urine | Urate |
| 14935-1 | Urate [Molecules/time] in 24 hour Urine | Urate |
| 17755-0 | Urate [Mass/time] in 2 hour Urine | Urate |
| 17756-8 | Urate [Mass/time] in 4 hour Urine | Urate |
| 18379-8 | Urate [Mass/time] in 6 hour Urine | Urate |
| 21587-1 | Urate [Mass/volume] in 24 hour Urine | Urate |
| 25548-9 | Urate [Molecules/volume] in Body fluid | Urate |
| 25997-8 | Urate [Molecules/volume] in 24 hour Urine | Urate |
| 3083-3 | Urate [Mass/volume] in Amniotic Fluid | Urate |
| 3084-1 | Urate [Mass/volume] in Serum or Plasma | Urate |
| 3085-8 | Urate [Mass/volume] in Synovial fluid | Urate |
| 3086-6 | Urate [Mass/volume] in Urine | Urate |
| 3087-4 | Urate [Mass/time] in 24 hour Urine | Urate |
| 32149-7 | Urate [Mass/mass] in Stone | Urate |
| 32343-6 | Urate [Molecules/volume] in Unspecified specimen | Urate |
| 32555-5 | Urate [Molecules amount] in unspecified time Urine | Urate |
| 35232-8 | Urate [Mass or Molecules/volume] in Serum or Plasma | Urate |
| 35233-6 | Urate [Mass or Molecules/volume] in Urine | Urate |
| 35253-4 | Urate [Mass or Molecules/volume] in 24 hour Urine | Urate |
| 39788-5 | Urate [Molecules/volume] in Synovial fluid | Urate |
| 42678-3 | Urate [Saturation Fraction] in 24 hour Urine | Urate |
| 49003-7 | Urate [Mass/volume] in Peritoneal dialysis fluid | Urate |
| 53612-8 | Urate [Mass/volume] in Body fluid | Urate |
| 16269-3 | Urate crystals [Presence] in Stone by Infrared spectroscopy | Urate crystals |
| 33233-8 | Urate crystals [Presence] in Urine by Computer assisted method | Urate crystals |
| 40485-5 | Urate crystals [#/area] in Urine sediment by Microscopy low power field | Urate crystals |
| 40682-7 | Urate crystals [Presence] in Body fluid by Light microscopy | Urate crystals |
| 46138-4 | Urate crystals [#/area] in Urine sediment by Microscopy high power field | Urate crystals |
| 53301-8 | Urate crystals [#/volume] in Urine by Computer assisted method | Urate crystals |
| 53311-7 | Urate crystals [#/area] in Urine by Computer assisted method | Urate crystals |
| 5816-4 | Urate crystals [Presence] in Synovial fluid by Light microscopy | Urate crystals |
| 5817-2 | Urate crystals [Presence] in Urine sediment by Light microscopy | Urate crystals |
| 12454-5 | Urate crystals amorphous [Presence] in Urine sediment by Light microscopy | Urate crystals.amorphous |
| 13657-2 | Urate crystals amorphous [#/volume] in Urine sediment | Urate crystals.amorphous |
| 32150-5 | Urate crystals amorphous [#/area] in Urine sediment by Microscopy high power field | Urate crystals.amorphous |
| 40484-8 | Urate crystals amorphous [#/area] in Urine sediment by Microscopy low power field | Urate crystals.amorphous |
| 50239-3 | Urate crystals amorphous [Presence] in Urine by Computer assisted method | Urate crystals.amorphous |
| 10828-2 | Urate crystals.microscopic observation [type] in Tissue by De Galantha stain | Urate crystals.microscopic observation |
| 16259-4 | Urate dihydrate crystals [Presence] in Stone by Infrared spectroscopy | Urate dihydrate crystals |
| 3088-2 | Urate renal clearance in 24 hour | Urate renal clearance |
| 49961-6 | Urate renal clearance in unspecified time | Urate renal clearance |
| 49962-4 | Urate renal clearance/1.73 sq M in unspecified time | Urate renal clearance/1.73 sq M |
| 13820-6 | Urate/Creatinine [Mass ratio] in 24 hour Urine | Urate/Creatinine |
| 3089-0 | Urate/Creatinine [Mass ratio] in Urine | Urate/Creatinine |
| 34385-5 | Urate/Creatinine [Molecular ratio] in Urine | Urate/Creatinine |
| 20977-5 | Urea [Mass/volume] in Blood | Urea |
| 20978-3 | Urea [Mass/volume] in Gastric fluid | Urea |
| 20979-1 | Urea [Mass/mass] in Feed | Urea |
| 22664-7 | Urea [Molecules/volume] in Serum or Plasma | Urea |
| 22700-9 | Urea [Molecules/volume] in Urine | Urea |
| 22738-9 | Urea [Molecules/volume] in Unspecified specimen | Urea |
| 23786-7 | Urea [Mass/volume] in Unspecified specimen | Urea |
| 25549-7 | Urea [Molecules/volume] in Body fluid | Urea |
| 25550-5 | Urea [Molecules/time] in 24 hour Urine | Urea |
| 25998-6 | Urea [Molecules/volume] in 24 hour Urine | Urea |
| 3090-8 | Urea [Mass/volume] in Amniotic Fluid | Urea |
| 3091-6 | Urea [Mass/volume] in Serum or Plasma | Urea |
| 3092-4 | Urea [Mass/volume] in Urine | Urea |
| 32556-3 | Urea [Molecules amount] in unspecified time Urine | Urea |
| 39779-4 | Urea [Molecules/volume] in 24 hour Dialysis fluid | Urea |
| 39780-2 | Urea [Molecules/volume] in Peritoneal dialysis fluid | Urea |
| 39781-0 | Urea [Molecules/volume] in Peritoneal fluid | Urea |
| 40405-3 | Urea [Molecules/time] in 24 hour Dialysis fluid | Urea |
| 40406-1 | Urea [Molecules/time] in 24 hour Body fluid | Urea |
| 42571-0 | Urea [Mass or Molecules/volume] in Serum or Plasma | Urea |
| 45302-7 | Urea [Molecules/volume] in Dialysis fluid | Urea |
| 47798-4 | Urea [Molecules/volume] in Stool | Urea |
| 48999-7 | Urea [Mass/time] in 24 hour Urine | Urea |
| 49802-2 | Urea [Mass/volume] in Peritoneal fluid | Urea |
| 53137-6 | Urea [Molecules/time] in 1 Hour Urine | Urea |
| 12265-5 | Urea nitrogen [Mass/volume] in Peritoneal fluid | Urea nitrogen |
| 12961-9 | Urea nitrogen [Mass/volume] in Arterial blood | Urea nitrogen |
| 12962-7 | Urea nitrogen [Mass/volume] in Venous blood | Urea nitrogen |
| 12963-5 | Urea nitrogen [Mass/volume] in Peripheral blood | Urea nitrogen |
| 12967-6 | Urea nitrogen [Mass/volume] in 24 hour Urine | Urea nitrogen |
| 14000-4 | Urea nitrogen [Mass/volume] in Cerebral spinal fluid | Urea nitrogen |
| 14393-3 | Urea nitrogen [Mass/volume] in Amniotic Fluid | Urea nitrogen |
| 14394-1 | Urea nitrogen [Mass/volume] in Pleural fluid | Urea nitrogen |
| 14395-8 | None | Urea nitrogen |
| 14396-6 | Urea nitrogen [Mass/volume] in Synovial fluid | Urea nitrogen |
| 14397-4 | Urea nitrogen [Mass/volume] in Gastric fluid | Urea nitrogen |
| 14936-9 | Urea nitrogen [Molecules/volume] in Peritoneal dialysis fluid | Urea nitrogen |
| 14937-7 | Urea nitrogen [Molecules/volume] in Serum or Plasma | Urea nitrogen |
| 14938-5 | Urea nitrogen [Molecules/volume] in Urine | Urea nitrogen |
| 14939-3 | Urea nitrogen [Molecules/time] in 24 hour Urine | Urea nitrogen |
| 17757-6 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid | Urea nitrogen |
| 17758-4 | Urea nitrogen [Mass/volume] in Vitreous fluid | Urea nitrogen |
| 24465-7 | Urea nitrogen [Mass/time] in 12 hour Urine | Urea nitrogen |
| 3093-2 | Urea nitrogen [Mass/volume] in Body fluid | Urea nitrogen |
| 3094-0 | Urea nitrogen [Mass/volume] in Serum or Plasma | Urea nitrogen |
| 3095-7 | Urea nitrogen [Mass/volume] in Urine | Urea nitrogen |
| 3096-5 | Urea nitrogen [Mass/time] in 24 hour Urine | Urea nitrogen |
| 33355-9 | Urea nitrogen [Molecules/volume] in 24 hour Urine | Urea nitrogen |
| 35234-4 | Urea nitrogen [Mass or Molecules/volume] in Serum or Plasma | Urea nitrogen |
| 35235-1 | Urea nitrogen [Mass or Molecules/volume] in Urine | Urea nitrogen |
| 35241-9 | Urea nitrogen [Mass or Molecules/volume] in Dialysis fluid | Urea nitrogen |
| 5918-8 | Urea nitrogen [Mass/volume] in Dialysis fluid | Urea nitrogen |
| 6299-2 | Urea nitrogen [Mass/volume] in Blood | Urea nitrogen |
| 19158-5 | Urea nitrogen comment - 24 hour Urine Narrative | Urea nitrogen comment |
| 48791-8 | Urea nitrogen peritoneal dialysis clearance/1.73 sq M | Urea nitrogen peritoneal dialysis clearance/1.73 sq M |
| 13506-1 | Urea nitrogen renal clearance | Urea nitrogen renal clearance |
| 51735-9 | Urea nitrogen renal clearance in 24 hour | Urea nitrogen renal clearance |
| 13821-4 | Urea nitrogen/Creatinine [Mass ratio] in 24 hour Urine | Urea nitrogen/Creatinine |
| 3097-3 | Urea nitrogen/Creatinine [Mass ratio] in Serum or Plasma | Urea nitrogen/Creatinine |
| 44416-6 | Urea nitrogen/Creatinine [Mass ratio] in Urine | Urea nitrogen/Creatinine |
| 44734-2 | Urea nitrogen/Creatinine [Mass ratio] in Blood | Urea nitrogen/Creatinine |
| 44735-9 | Urea nitrogen/Creatinine [Mass ratio] in Body fluid | Urea nitrogen/Creatinine |
| 35657-6 | Urea nitrogen/kg body weight [Mass/time] in 24 hour Urine | Urea nitrogen/kg body weight |
| 12268-9 | Urea nitrogen [Mass/volume] in Peritoneal fluid --12 hours post peritoneal dialysis | Urea nitrogen^12H post peritoneal dialysis |
| 12972-6 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --1st specimen | Urea nitrogen^1st specimen |
| 48622-5 | Urea nitrogen [Mass/volume] in Peritoneal fluid --24 hours post peritoneal dialysis | Urea nitrogen^24H post peritoneal dialysis |
| 12979-1 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --24 hour specimen | Urea nitrogen^24H specimen |
| 12266-3 | Urea nitrogen [Mass/volume] in Peritoneal fluid --2 hours post peritoneal dialysis | Urea nitrogen^2H post peritoneal dialysis |
| 12966-8 | Urea nitrogen [Mass/volume] in Serum or Plasma --2 hour specimen | Urea nitrogen^2H specimen |
| 12970-0 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --2 hour specimen | Urea nitrogen^2H specimen |
| 26749-2 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --2nd specimen | Urea nitrogen^2nd specimen |
| 12974-2 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --3rd specimen | Urea nitrogen^3rd specimen |
| 12267-1 | Urea nitrogen [Mass/volume] in Peritoneal fluid --4 hours post peritoneal dialysis | Urea nitrogen^4H post peritoneal dialysis |
| 12968-4 | Urea nitrogen [Mass/volume] in Dialysis fluid --4 hour specimen | Urea nitrogen^4H specimen |
| 12971-8 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --4 hour specimen | Urea nitrogen^4H specimen |
| 12973-4 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --4th specimen | Urea nitrogen^4th specimen |
| 12975-9 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --5th specimen | Urea nitrogen^5th specimen |
| 12976-7 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --6th specimen | Urea nitrogen^6th specimen |
| 12965-0 | Urea nitrogen [Mass/volume] in Serum or Plasma --70 minute specimen | Urea nitrogen^70M specimen |
| 12978-3 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --7th specimen | Urea nitrogen^7th specimen |
| 12977-5 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --8th specimen | Urea nitrogen^8th specimen |
| 12964-3 | Urea nitrogen [Mass/volume] in Blood --baseline | Urea nitrogen^baseline |
| 12969-2 | Urea nitrogen [Mass/volume] in Peritoneal dialysis fluid --baseline | Urea nitrogen^baseline |
| 11064-3 | Urea nitrogen [Mass/volume] in Serum or Plasma --post dialysis | Urea nitrogen^post dialysis |
| 17759-2 | Urea nitrogen [Mass/volume] in Arterial blood --post dialysis | Urea nitrogen^post dialysis |
| 48629-0 | Urea nitrogen [Mass/volume] in Venous blood --post dialysis | Urea nitrogen^post dialysis |
| 48639-9 | Urea nitrogen [Mass/volume] in Peripheral blood --post dialysis | Urea nitrogen^post dialysis |
| 12981-7 | Urea nitrogen [Mass ratio] in Peritoneal dialysis fluid--post dialysis/pre dialysis | Urea nitrogen^post dialysis/Urea nitrogen^pre dialysis |
| 49071-4 | Urea nitrogen [Mass ratio] in Serum or Plasma--post dialysis/pre dialysis | Urea nitrogen^post dialysis/Urea nitrogen^pre dialysis |
| 11065-0 | Urea nitrogen [Mass/volume] in Serum or Plasma --pre dialysis | Urea nitrogen^pre dialysis |
| 17760-0 | Urea nitrogen [Mass/volume] in Venous blood --pre dialysis | Urea nitrogen^pre dialysis |
| 3098-1 | Urea renal clearance in 24 hour | Urea renal clearance |
| 50063-7 | Urea renal clearance/1.73 sq M in unspecified time | Urea renal clearance/1.73 sq M |
| 25999-4 | Urea/Creatinine [Molecular ratio] in 24 hour Urine | Urea/Creatinine |
| 39783-6 | Urea/Creatinine [Molecular ratio] in Serum or Plasma | Urea/Creatinine |
| 40487-1 | Urea/Creatinine [Ratio] in Urine | Urea/Creatinine |
| 32368-3 | Ureaplasma sp identified in Unspecified specimen by Organism specific culture | Ureaplasma sp identified |
| 17852-5 | Ureaplasma urealyticum [Presence] in Unspecified specimen by Organism specific culture | Ureaplasma urealyticum |
| 51988-4 | Ureaplasma urealyticum DNA [Presence] in Unspecified specimen by Probe & target amplification method | Ureaplasma urealyticum DNA |
| 32637-1 | Urease [Presence] in Tissue | Urease |
| 42640-3 | Urease [Presence] in Tissue --1 day post incubation | Urease^1D post incubation |
| 43805-1 | Urease [Presence] in Tissue --1 hour post incubation | Urease^1H post incubation |
| 43806-9 | Urease [Presence] in Tissue --20 minutes post incubation | Urease^20M post incubation |
| 43855-6 | Urease [Presence] in Tissue --2 hours post incubation | Urease^2H post incubation |
| 43808-5 | Urease [Presence] in Tissue --30 minutes post incubation | Urease^30M post incubation |
| 42636-1 | Urease [Presence] in Tissue --3 hours post incubation | Urease^3H post incubation |
| 43807-7 | Urease [Presence] in Tissue --4 hours post incubation | Urease^4H post incubation |
| 45303-5 | Urea [Molecules/volume] in Dialysis fluid --2 hour specimen | Urea^2H specimen |
| 45304-3 | Urea [Molecules/volume] in Dialysis fluid --4 hour specimen | Urea^4H specimen |
| 46243-2 | Urea [Molecules/volume] in Dialysis fluid --overnight | Urea^overnight |
| 39776-0 | Urea [Molecules/volume] in Serum or Plasma --post dialysis | Urea^post dialysis |
| 39777-8 | Urea [Molecules/volume] in Serum or Plasma --pre dialysis | Urea^pre dialysis |
| 28237-6 | None | Urge urinary incontinence |
| 3099-9 | Uridine diphosphate glucose-4-Epimerase [Enzymatic activity/volume] in Plasma | Uridine diphosphate glucose-4-Epimerase |
| 3100-5 | Uridyl transferase [Enzymatic activity/volume] in Red Blood Cells | Uridyl transferase |
| 3101-3 | Uridyl transferase [Enzymatic activity/mass] in Tissue | Uridyl transferase |
| 39265-4 | None | Urinalysis complete status |
| 39264-7 | None | Urinalysis dipstick test status |
| 53333-1 | Urinalysis other formed elements panel [Presence] in Urine by Computer assisted method | Urinalysis other formed elements panel |
| 53351-3 | Urinalysis other formed elements panel [#/volume] in Urine by Computer assisted method | Urinalysis other formed elements panel |
| 53353-9 | Urinalysis other formed elements panel [#/area] in Urine by Computer assisted method | Urinalysis other formed elements panel |
| 24356-8 | Urinalysis panel in Urine | Urinalysis panel |
| 50564-4 | Urinalysis panel in Urine by Auto | Urinalysis panel |
| 19159-3 | Urinalysis specimen collection method | Urinalysis specimen collection method |
| 18729-4 | Urinalysis studies (set) | Urinalysis studies |
| 53277-0 | Urinalysis type of cast panel in Urine Qualitative by Computer assisted method | Urinalysis type of cast panel |
| 53281-2 | Urinalysis type of cast panel [#/volume] in Urine by Computer assisted method | Urinalysis type of cast panel |
| 53330-7 | Urinalysis type of cast panel [#/area] in Urine by Computer assisted method | Urinalysis type of cast panel |
| 53295-2 | Urinalysis type of crystal panel [#/volume] in Urine by Computer assisted method | Urinalysis type of crystal panel |
| 53305-9 | Urinalysis type of crystal panel [#/area] in Urine by Computer assisted method | Urinalysis type of crystal panel |
| 53325-7 | Urinalysis type of crystal panel in Urine Qualitative by Computer assisted method | Urinalysis type of crystal panel |
| 53270-5 | Urinalysis type of non-squamous epithelial cells panel [Presence] in Urine by Computer assisted method | Urinalysis type of non-squamous epithelial cells panel |
| 53273-9 | Urinalysis type of non-squamous epithelial cells panel [#/volume] in Urine by Computer assisted method | Urinalysis type of non-squamous epithelial cells panel |
| 53276-2 | Urinalysis type of non-squamous epithelial cells panel [#/area] in Urine by Computer assisted method | Urinalysis type of non-squamous epithelial cells panel |
| 53263-0 | Urinalysis yeast variants panel [Presence] in Urine by Computer assisted method | Urinalysis yeast variants panel |
| 53264-8 | Urinalysis yeast variants panel [#/volume] in Urine by Computer assisted method | Urinalysis yeast variants panel |
| 53267-1 | Urinalysis yeast variants panel [#/area] in Urine by Computer assisted method | Urinalysis yeast variants panel |
| 9044-9 | None | Urinary bladder irrigation tube site |
| 28238-4 | None | Urinary elimination alteration |
| 46903-1 | None | Urinary function.behavior |
| 46924-7 | None | Urinary function.behavior |
| 46942-9 | None | Urinary function.behavior |
| 46904-9 | None | Urinary function.knowledge |
| 46925-4 | None | Urinary function.knowledge |
| 46943-7 | None | Urinary function.knowledge |
| 46905-6 | None | Urinary function.status |
| 46926-2 | None | Urinary function.status |
| 46944-5 | None | Urinary function.status |
| 45902-4 | None | Urinary incontinence and indwelling catherter trigger |
| 46553-4 | None | Urinary incontinence or urinary catheter present |
| 28239-2 | None | Urinary retention |
| 45689-7 | None | Urinary tract infection in last 30 days |
| 11279-7 | Urine sediment comments by Light microscopy Narrative | Urine sediment comments |
| 3102-1 | Urobilin [Mass/volume] in Stool | Urobilin |
| 3103-9 | Urobilin [Presence] in Urine | Urobilin |
| 3104-7 | Urobilin [Mass/volume] in Urine | Urobilin |
| 32344-4 | Urobilin [Presence] in Stool | Urobilin |
| 12269-7 | Urobilinogen [Presence] in 24 hour Urine | Urobilinogen |
| 13658-0 | Urobilinogen [Presence] in Urine | Urobilinogen |
| 17761-8 | Urobilinogen [Mass/time] in 48 hour Stool | Urobilinogen |
| 19161-9 | Urobilinogen [Units/volume] in Urine by Test strip | Urobilinogen |
| 20405-7 | Urobilinogen [Mass/volume] in Urine by Test strip | Urobilinogen |
| 21588-9 | Urobilinogen [Mass/mass] in Stool | Urobilinogen |
| 25551-3 | Urobilinogen [Presence] in Body fluid | Urobilinogen |
| 28007-3 | Urobilinogen [Units] in 24 hour Urine | Urobilinogen |
| 3105-4 | Urobilinogen [Presence] in Stool | Urobilinogen |
| 3106-2 | Urobilinogen [Mass/volume] in Stool | Urobilinogen |
| 3107-0 | Urobilinogen [Mass/volume] in Urine | Urobilinogen |
| 3108-8 | Urobilinogen [Mass/time] in 24 hour Urine | Urobilinogen |
| 3109-6 | Urobilinogen [Mass/time] in 2 hour Urine | Urobilinogen |
| 32727-0 | Urobilinogen [Units/volume] in Urine | Urobilinogen |
| 34927-4 | Urobilinogen [Molecules/volume] in Urine | Urobilinogen |
| 34928-2 | Urobilinogen [Molecules/volume] in Urine by Test strip | Urobilinogen |
| 35236-9 | Urobilinogen [Mass or Molecules/volume] in Urine | Urobilinogen |
| 38507-0 | Urobilinogen [Units/mass] in Stool | Urobilinogen |
| 50563-6 | Urobilinogen [Mass/volume] in Urine by Automated test strip | Urobilinogen |
| 5818-0 | Urobilinogen [Presence] in Urine by Test strip | Urobilinogen |
| 6893-2 | Urobilinogen [Mass/time] in 24 hour Stool | Urobilinogen |
| 24783-3 | None | Urodynamics |
| 28620-3 | Urology study | Urology studies |
| 35092-6 | None | Urology testicular ultrasound |
| 35093-4 | None | Urology urinary tract ultrasound |
| 3110-4 | Uronate [Mass/volume] in Urine | Uronate |
| 11228-4 | Uroporphyrin [Mass/volume] in Urine | Uroporphyrin |
| 12270-5 | Uroporphyrin [Presence] in 24 hour Urine | Uroporphyrin |
| 12808-2 | Uroporphyrin [Mass/time] in Urine | Uroporphyrin |
| 14180-4 | Uroporphyrin [Mass/volume] in Red Blood Cells | Uroporphyrin |
| 14181-2 | Uroporphyrin [Mass/mass] in 24 hour Stool | Uroporphyrin |
| 14274-5 | Uroporphyrin [Mass/volume] in Serum or Plasma | Uroporphyrin |
| 15096-1 | Uroporphyrin [Molecules/time] in 24 hour Urine | Uroporphyrin |
| 17381-5 | Uroporphyrin [Mass/time] in 24 hour Stool | Uroporphyrin |
| 22662-1 | Uroporphyrin [Molecules/volume] in Serum or Plasma | Uroporphyrin |
| 25166-0 | Uroporphyrin [Molecules/volume] in Urine | Uroporphyrin |
| 25552-1 | Uroporphyrin [Molecules/time] in 24 hour Stool | Uroporphyrin |
| 26000-0 | Uroporphyrin [Molecules/volume] in 24 hour Urine | Uroporphyrin |
| 3112-0 | Uroporphyrin [Presence] in Urine | Uroporphyrin |
| 3113-8 | Uroporphyrin [Mass/time] in 24 hour Urine | Uroporphyrin |
| 32216-4 | Uroporphyrin [Mass/volume] in 24 hour Urine | Uroporphyrin |
| 32345-1 | Uroporphyrin [Molecules/volume] in Red Blood Cells | Uroporphyrin |
| 32346-9 | Uroporphyrin [Molecules/mass] in Stool | Uroporphyrin |
| 41032-4 | Uroporphyrin [Mass/time] in unspecified time Stool | Uroporphyrin |
| 14940-1 | Uroporphyrin 1 isomer [Molecules/volume] in Serum or Plasma | Uroporphyrin 1 isomer |
| 14941-9 | Uroporphyrin 1 isomer [Molecules/volume] in Stool | Uroporphyrin 1 isomer |
| 14942-7 | Uroporphyrin 1 isomer [Molecules/volume] in Urine | Uroporphyrin 1 isomer |
| 26691-6 | Uroporphyrin 1 isomer [Mass/time] in 24 hour Stool | Uroporphyrin 1 isomer |
| 3111-2 | Uroporphyrin 1 isomer [Mass/volume] in Red Blood Cells | Uroporphyrin 1 isomer |
| 40407-9 | Uroporphyrin 1 isomer [Molecules/time] in 24 hour Urine | Uroporphyrin 1 isomer |
| 50931-5 | Uroporphyrin 1 isomer [Molecules/mass] in Stool | Uroporphyrin 1 isomer |
| 14943-5 | Uroporphyrin 3 isomer [Molecules/volume] in Serum or Plasma | Uroporphyrin 3 isomer |
| 14944-3 | Uroporphyrin 3 isomer [Molecules/volume] in Stool | Uroporphyrin 3 isomer |
| 14945-0 | Uroporphyrin 3 isomer [Molecules/volume] in Urine | Uroporphyrin 3 isomer |
| 33585-1 | Uroporphyrin 3 isomer [Mass/time] in 24 hour Stool | Uroporphyrin 3 isomer |
| 40408-7 | Uroporphyrin 3 isomer [Molecules/time] in 24 hour Urine | Uroporphyrin 3 isomer |
| 45312-6 | Uroporphyrin 3 isomer [Molecules/mass] in Stool | Uroporphyrin 3 isomer |
| 45318-3 | Uroporphyrin 3 isomer/Creatinine [Molecular ratio] in Urine | Uroporphyrin 3 isomer/Creatinine |
| 32043-2 | Uroporphyrin/Creatinine [Molecular ratio] in 24 hour Urine | Uroporphyrin/Creatinine |
| 38165-7 | Uroporphyrin/Creatinine [Mass ratio] in 24 hour Urine | Uroporphyrin/Creatinine |
| 38508-8 | Uroporphyrin/Creatinine [Mass ratio] in Urine | Uroporphyrin/Creatinine |
| 45319-1 | Uroporphyrin/Creatinine [Molecular ratio] in Urine | Uroporphyrin/Creatinine |
| 50932-3 | Uroporphyrin/Porphyrins.total in 24 hour Urine | Uroporphyrin/Porphyrins.total |
| 9735-2 | Uroporphyrin/Porphyrins.total in 24 hour Stool | Uroporphyrin/Porphyrins.total |
| 18380-6 | Uroporphyrinogen decarboxylase [Entitic Catalytic Activity] in Red Blood Cells | Uroporphyrinogen decarboxylase |
| 18381-4 | Uroporphyrinogen decarboxylase [Enzymatic activity/volume] in Blood | Uroporphyrinogen decarboxylase |
| 18476-2 | Uroporphyrinogen decarboxylase [Presence] in Red Blood Cells | Uroporphyrinogen decarboxylase |
| 3114-6 | Uroporphyrinogen decarboxylase [Enzymatic activity/volume] in Plasma | Uroporphyrinogen decarboxylase |
| 49596-0 | Uroporphyrinogen decarboxylase [Units/volume] in Red Blood Cells | Uroporphyrinogen decarboxylase |
| 11066-8 | Uroporphyrinogen III synthase [Enzymatic activity/volume] in Red Blood Cells | Uroporphyrinogen III synthase |
| 12811-6 | Uroporphyrinogen III synthase [Enzymatic activity/volume] in Blood | Uroporphyrinogen III synthase |
| 3115-3 | Uroporphyrinogen III synthase [Enzymatic activity/volume] in Plasma | Uroporphyrinogen III synthase |
| 6186-1 | Nettle IgE Ab [Units/volume] in Serum | Urtica dioica Ab.IgE |
| 15872-5 | Nettle IgE Ab RAST class in Serum | Urtica dioica Ab.IgE.RAST class |
| 13185-4 | Nettle IgG Ab [Units/volume] in Serum or Plasma | Urtica dioica Ab.IgG |
| 54127-6 | None | US Surgeon General family health portrait |
| 43684-0 | None | Use in specific populations section |
| 18793-0 | Include all data of the selected type on or after the date of service of the claim | Use no fixed time limit on data (any of the selected type are relevant no matter when obtained) |
| 45438-9 | None | Use of alcohol at least weekly |
| 45434-8 | None | Use of tobacco products at least daily |
| 52684-8 | None | Use public transportation during 2D assessment period |
| 28169-1 | None | Use time wisely |
| 21868-5 | None | User ID.hospital assigned |
| 45505-5 | None | Uses American sign language or Braille |
| 45536-0 | None | Uses cane, walker or crutch |
| 45507-1 | None | Uses communication board |
| 45508-9 | None | Uses other modes of expression |
| 45506-3 | None | Uses signs &or gestures &or sounds |
| 45503-0 | None | Uses speech |
| 45504-8 | None | Uses written messages to express or clarify needs |
| 53901-5 | USH2A gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Narrative | USH2A gene mutation analysis |
| 7707-3 | Oat Smut IgE Ab [Units/volume] in Serum | Ustilago avenae Ab.IgE |
| 7704-0 | Bermuda grass Smut IgE Ab [Units/volume] in Serum | Ustilago cynodontis Ab.IgE |
| 16022-6 | Bermuda grass Smut IgE Ab RAST class in Serum | Ustilago cynodontis Ab.IgE.RAST class |
| 7703-2 | Corn Smut IgE Ab [Units/volume] in Serum | Ustilago maydis Ab.IgE |
| 46721-7 | Barley Smut IgE Ab [Units/volume] in Serum | Ustilago nuda Ab.IgE |
| 16070-5 | Barley Smut IgE Ab RAST class in Serum | Ustilago nuda Ab.IgE.RAST class |
| 14104-4 | Barley Smut+Wheat Smut IgE Ab [Units/volume] in Serum | Ustilago nuda+Ustilago tritici Ab.IgE |
| 21589-7 | Barley Smut+Wheat Smut IgE Ab RAST class in Serum or Plasma | Ustilago nuda+Ustilago tritici Ab.IgE.RAST class |
| 7708-1 | Wheat Smut IgE Ab [Units/volume] in Serum | Ustilago tritici Ab.IgE |
| 21848-7 | None | Usual industry |
| 21844-6 | None | Usual industry Hx |
| 21847-9 | None | Usual occupation |
| 21843-8 | None | Usual occupation Hx |
| 45447-0 | None | Usually attends church, temple, etc. |