Inclusion Criteria:  Admission or consultation by the Acute Care Surgery (ACS) service Diagnosis of acute biliary disease requiring index laparoscopic cholecystectomy Diagnoses of acute cholangitis, choledocholithiasis, and gall stone pancreatitis may be included. However, they must have cleared ducts confirmed via endoscopic ultrasound, ultrasound, ERCP, and/or laboratory investigations. Ability to understand and follow study procedures and protocols, and provide signed informed consent.  Exclusion Criteria:  Female patients who are pregnant or currently breastfeeding Known pre-existing liver disease, including cirrhosis Known allergy to iodine or shellfish Known allergy to indocyanine green (ICG)