A rise in levels of conjugated bilirubin in the serum is an indicator of impaired liver excretion. Conjugated hyperbilirubinemia can occur because of impaired bilirubin transport into the intrahepatic bile ducts or downstream obstruction of the biliary tract from intrinsic or extrinsic causes. aUniversity of Arizona, Banner University Medical Center, Tucson, Arizona. bUniversity of Alabama Medical Center, Birmingham, Alabama. cPanel Chair, Johns Hopkins University School of Medicine, Baltimore, Maryland. dDuke University Medical Center, Durham, North Carolina. eOregon Health & Science University, Portland, Oregon. fPerelman School of Medicine of the University of Pennsylvania, Philadelphia, Pennsylvania; American Association for the Study of Liver Diseases. gUniversity of Alabama at Birmingham, Birmingham, Alabama, Primary care physician. hUniversity of Connecticut, Farmington, Connecticut. iUniversity of Alabama at Birmingham Medical Center, Birmingham, Alabama. jJohns Hopkins Bayview Medical Center, Baltimore, Maryland; Commission on Nuclear Medicine and Molecular Imaging. kNorthShore University HealthSystem, Evanston, Illinois. lNew York University Langone Medical Center, New York, New York. mUniversity of Cincinnati Medical Center, Cincinnati, Ohio. nCleveland Clinic, Cleveland, Ohio; American College of Physicians, Hospital Medicine. oJohns Hopkins Hospital, Baltimore, Maryland. pSpecialty Chair, Virginia Commonwealth University Medical Center, Richmond, Virginia. The American College of Radiology seeks and encourages collaboration with other organizations on the development of the ACR Appropriateness Criteria through representation of such organizations on expert panels. Participation on the expert panel does not necessarily imply endorsement of the final document by individual contributors or their respective organization. Reprint requests to: publications@acr.org Abnormal Liver Function Tests
Abnormal Liver Function Tests. A rise in levels of conjugated bilirubin in the serum is an indicator of impaired liver excretion. Conjugated hyperbilirubinemia can occur because of impaired bilirubin transport into the intrahepatic bile ducts or downstream obstruction of the biliary tract from intrinsic or extrinsic causes. aUniversity of Arizona, Banner University Medical Center, Tucson, Arizona. bUniversity of Alabama Medical Center, Birmingham, Alabama. cPanel Chair, Johns Hopkins University School of Medicine, Baltimore, Maryland. dDuke University Medical Center, Durham, North Carolina. eOregon Health & Science University, Portland, Oregon. fPerelman School of Medicine of the University of Pennsylvania, Philadelphia, Pennsylvania; American Association for the Study of Liver Diseases. gUniversity of Alabama at Birmingham, Birmingham, Alabama, Primary care physician. hUniversity of Connecticut, Farmington, Connecticut. iUniversity of Alabama at Birmingham Medical Center, Birmingham, Alabama. jJohns Hopkins Bayview Medical Center, Baltimore, Maryland; Commission on Nuclear Medicine and Molecular Imaging. kNorthShore University HealthSystem, Evanston, Illinois. lNew York University Langone Medical Center, New York, New York. mUniversity of Cincinnati Medical Center, Cincinnati, Ohio. nCleveland Clinic, Cleveland, Ohio; American College of Physicians, Hospital Medicine. oJohns Hopkins Hospital, Baltimore, Maryland. pSpecialty Chair, Virginia Commonwealth University Medical Center, Richmond, Virginia. The American College of Radiology seeks and encourages collaboration with other organizations on the development of the ACR Appropriateness Criteria through representation of such organizations on expert panels. Participation on the expert panel does not necessarily imply endorsement of the final document by individual contributors or their respective organization. Reprint requests to: publications@acr.org Abnormal Liver Function Tests