This crust is the most dense
this crust is made of igneous
rocks from volcanoes
1. oceanic crust
this crust is younger
2. continental crust
this crust is made of
metamorphic rocks from
deep within the earth
this crust is thinner

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