Contract ServicesDrainageEndothelin-2Financial AuditMedicare AssignmentFraudDurable Medical EquipmentCenters for Medicare and Medicaid Services (U.S.)Insurance, Health, ReimbursementGallbladder EmptyingGallbladderEndothelinsUnited StatesMedicareMuscle ContractionCholecystokininMuscle, SmoothDrainage, PosturalDrainage, SanitaryAbscessSuctionPancreatic PseudocystChest TubesGlaucoma Drainage ImplantsJaundice, ObstructivePostoperative ComplicationsLymphoscintigraphyLymphatic SystemCerebral VeinsCholangiopancreatography, Endoscopic RetrogradeTreatment OutcomeCholedochostomyEmpyema, PleuralPneumothoraxAbdominal AbscessThoracostomyCerebrospinal Fluid ShuntsBiliary Tract Surgical ProceduresCholestasisCholangitisCranial SinusesVentriculostomyLiver AbscessPleural EffusionTomography, X-Ray ComputedPostoperative CareHematoma, Subdural, ChronicPericardial EffusionHydrocephalusRetrospective StudiesThoracic DuctPancreas TransplantationCerebrospinal Fluid PressureCystostomyFistulaCatheterizationEndoscopyBile Duct NeoplasmsPancreatitis, Acute NecrotizingJejunostomyPancreaticojejunostomyPericardiocentesisBiliary FistulaCentral Nervous System Vascular MalformationsCholangiographyLymphedemaBile Ducts, IntrahepaticLymphocelePancreatic DiseasesBile DuctsEmpyemaVagotomyLiver Abscess, PyogenicLymphChylothoraxEndoscopy, Digestive SystemCommon Bile DuctDebridementSeromaBiliary Tract DiseasesCerebrospinal FluidHemothoraxDigestive System Surgical ProceduresPancreatitisSuppurationThoracic Surgery, Video-AssistedMiningPelvic InfectionLymphographyPetrous BoneBiliary TractCutaneous FistulaPsoas AbscessCardiac TamponadePleurodesisTherapeutic IrrigationCathetersHepatic Duct, CommonEndosonographyPancreatic Ducts