| 0050470 | U1 RNP (RNP (U1) (Ribonucleic Protein) (ENA) Antibody, IgG) |
| 2005564 | UBE3A (Angelman Syndrome (UBE3A) Sequencing)
|
| 2004169 | Ubiquitin by Immunohistochemistry
|
| 0051332 | UDP Glucuronosyltransferase 1A1 (UGT1A1) Genotyping
|
| 2004172 | UEA-1 (Ulex Europaeus Agglutinin 1 (UEA-1) by Immunohistochemistry) |
| 0051332 | UGT1A1 (UDP Glucuronosyltransferase 1A1 (UGT1A1) Genotyping) |
| 2004172 | Ulex Europaeus Agglutinin 1 (UEA-1) by Immunohistochemistry
|
| 2002736 | Ultracet (Tramadol & Metabolites - Confirmation/Quantitation - Urine) |
| 2002764 | Ultracet (Tramadol Component) (Tramadol & Metabolites - Confirmation/Quantitation - Serum or Plasma) |
| 2002764 | Ultram (Tramadol & Metabolites - Confirmation/Quantitation - Serum or Plasma) |
| 2002736 | Ultram (Tramadol & Metabolites - Confirmation/Quantitation - Urine) |
| 0020596 | Unbound Copper (Copper, Serum Free (Direct)) |
| 2001640 | Unconjugated DHEA (Dehydroepiandrosterone, Serum or Plasma) |
| 2005631 | Unfractionated Heparin (Serotonin Release Assay (Heparin Dependent Platelet Antibody), Unfractionated Heparin)
|
| 0049090 | Unstable Hemoglobin (Heinz Body Stain) |
| 0049020 | Unstable Hemoglobin (Hemoglobin, Unstable) |
| 0020646 | Urea Breath Test (Helicobacter pylori Breath Test)
|
| 2005207 | Urea Clearance
|
| 2005207 | Urea clearance, Urine (Urea Clearance) |
| 2004892 | Urea Cycle Defect (Ornithine Transcarbamylase Deficiency (OTC) Deletion/Duplication)
|
| 2004901 | Urea Cycle Defect (Ornithine Transcarbamylase Deficiency (OTC) Sequencing)
|
| 2004896 | Urea Cycle Defect (Ornithine Transcarbamylase Deficiency (OTC) Sequencing and Deletion/Duplication)
|
| 2005207 | Urea Nitrogen Clearance (Urea Clearance) |
| 0020183 | Urea Nitrogen, Fluid
|
| 0020023 | Urea Nitrogen, Serum or Plasma
|
| 0020480 | Urea Nitrogen, Urine
|
| 0065031 | Ureaplasma urealyticum & Mycoplasma hominis Culture
|
| 8209704 | Ureteral Washing/Brushing for Cytology (Cytology, Urologic) |
| 8209704 | Urethral Washing for Cytology (Cytology, Urologic) |
| 0020513 | Uric Acid, Body Fluid
|
| 0020026 | Uric Acid, Serum or Plasma
|
| 0020513 | Uric Acid, Synovial Fluid (Uric Acid, Body Fluid) |
| 0020481 | Uric Acid, Urine
|
| 0020350 | Urinalysis, Complete
|
| 0097222 | Urinary Free Cortisol (Cortisol Urine Free by LC-MS/MS) |
| 2002992 | Urinary Free Iodide (Iodine, Random, Urine) |
| 8100600 | Urinary Tract Cancer (UroVysion™ FISH)
|
| 0099460 | Urinary Tract Stone (Calculi (Stone) Analysis) |
| 2005231 | Urinary Tract Stone (Calculi (Stone) Analysis with Photo) |
| 0060131 | Urine Culture
|
| 8209704 | Urine Cytology, Voided/Catheterized (Cytology, Urologic) |
| 0090500 | Urine Drug Screen (Drug Screen (Nonforensic), Urine, Qualitative) |
| 0080328 | Urine Hydroxyproline (Hydroxyproline, Total Urine) |
| 2002181 | Urine Quantitative (Porphyrins & Porphobilinogen (PBG), Urine) |
| 0081145 | Urine Supersaturation Profile
|
| 0092012 | Uroporphyrin (Porphyrins Profile, Plasma) |
| 0099550 | Uroporphyrinogen I Synthase (Phorphobilinogen (PGB) Deaminase, Erythrocyte) |
| 8100600 | Urothelial Carcinoma (UroVysion™ FISH)
|
| 8100600 | UroVysion™ FISH
|
| 0092610 | Ursodeoxycholic Acid (UDC) (Bile Acids, Fractionated & Total by LC-MS/MS) |
| 0092572 | Urticaria (Cutaneous Direct Immunofluorescence, Biopsy) |
| 2005416 | Urticaria-Induced Basophil Activation
|
| 2005413 | Urticaria-Inducing Activity
|
| 2005415 | Urticaria-Inducing Activity with Thyroid Antibodies and Stimulating Hormone
|
| 0020479 | UTP (Protein, Total, Urine) |