David has an ultrasound of his common carotid arteries, which shows that his right common carotid artery is nearly 90 percent blocked. he wonders how the right side of his brain is getting enough blood if this artery is so occluded. what do you tell him?

This gentleman has worsening bilateral hydronephrosis. he did not have much of a post void residual on his bladder scan. he is taken to the operating room to have a bilateral cystoscopy and retrograde pyelogram. cpt code: icd10-cm code: icd10-cm code: icd10-cm code