Afarmer is trying to determine why some weeds sprayed with weed killer do not die. i think it is the first one to begin a scientific investigation of this issue, what would be the first step for the farmer? research what others have already found. draw conclusions about the plants in his field. begin an experiment with a control group. analyze the data collected from the experiment.

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