UrinalysisUrine Specimen CollectionUrineSubstance Abuse DetectionPregnancy TestsDiagnostic Techniques, UrologicalAbortion, ThreatenedReagent StripsEnzyme Multiplied Immunoassay TechniqueBarbituratesBuprenorphineMethadoneOpioid-Related DisordersOpiate Substitution TreatmentNarcoticsGas Chromatography-Mass SpectrometryReagent Kits, DiagnosticSensitivity and SpecificityBacteriuriaChromatography, High Pressure LiquidCreatinineSpecimen HandlingMaple Syrup Urine DiseaseKidneyDiuresisUrinary Tract InfectionsKidney Concentrating AbilityBiological MarkersGlucuronatesSpecific GravityProteinuriaForensic MedicineUrinationKidney CalculiGlycosuriaChromatography, GasHippuratesFecesAlbuminuriaChromatography, LiquidMass SpectrometryCalcium OxalateBiotransformationAdministration, OralTime FactorsReference ValuesOsmolar ConcentrationWater DeprivationImmunoassayUrinary CalculiHalf-LifeKidney DiseasesPolyuriaWater-Electrolyte BalanceTandem Mass SpectrometryAquaporin 2CalibrationHematuriaGlomerular Filtration RateDoping in SportsUrinary BladderPyuriaUrinary CatheterizationUreaEnvironmental MonitoringUrolithiasisMetabolic Clearance RateUrinary Bladder NeoplasmsReference StandardsSodiumColorimetryUromodulinGlucuronidesOxalatesCodeineUrethraBileEnvironmental ExposureCotinineNatriuresisSpectrometry, Mass, Electrospray IonizationDrinkingFalse Negative ReactionsKidney TubulesBody FluidsOliguriaEvaluation Studies as TopicHydrogen-Ion ConcentrationOccupational ExposureSpectrophotometry, AtomicFalse Positive ReactionsChlamydia InfectionsStreet DrugsSchistosomiasis haematobiaBoric AcidsRadioimmunoassayVanilmandelic AcidHemoglobinuriaPyelonephritisChlamydia trachomatis