False Negative ReactionsFalse Positive ReactionsEvaluation Studies as TopicSensitivity and SpecificityBacteriological TechniquesReproducibility of ResultsUrinePolymerase Chain ReactionReagent Kits, DiagnosticPredictive Value of TestsEnzyme-Linked Immunosorbent AssayMass ScreeningAlgorithmsImmunoenzyme TechniquesImmunoglobulin MProspective StudiesTime FactorsDiagnostic ErrorsFrozen SectionsCytodiagnosisReagent StripsSoftwareSubstance Abuse DetectionRetrospective StudiesSpecimen HandlingBiopsy, NeedleImmunoassayComputational BiologyBiopsyROC CurveModels, Statistical