What is the function of histones in the nucleus of a cell? a .doubles chromosomes in preparation for cell division b. compacts threads of DNA so that it fits into the nucleus of the cell. c. creates the proteins that make an organism function d. attaches the spindle fibers to the centromere during mitosis

This patient undergoes a gallbladder sonogram due to epigastric pain. the report indicates that the visualized portions of the liver are normal. no free fluid noted within morisons pouch. the gallbladder is identified and is empty no evidence of wall thickening or surrounding fluid is seen there is no ductal dilation. the common hepatic duct and common bile duct measure 0.4 and 0.8 cm respectively. the common bile ductmeasurement is at the upper limits of normal what cpt code in icd-10 cm code was used