A patient presents with recurrent spontaneous episodes of dizziness of unclear etiology. Caloric vestibular testing is performed irrigating both ears with warm and cold water while evaluating the patient's eye movements. There is a total of three irrigations.
What CPT coding is reported?

A 42-year-old male is diagnosed with a left renal mass. Patient is placed under general anesthesia and in prone position. A periumbilical incision is made and a trocar inserted. A laparoscope is inserted and advanced to the operative site. The left kidney is removed, along with part of the left ureter. What CPT code is reported for this procedure?

A catheter was placed into the abdominal aorta via the right common femoral artery access. An abdominal aortography was performed. The right and left renal artery were adequately visualized. The catheter was used to selectively catheterize the right and left renal artery. Selective right and left renal angiography were then performed, demonstrating a widely patent right and left renal artery.
What CPT coding is reported?

This 27-year-old male has morbid obesity with a BMI of 45 due to a high calorie diet. He has decided to have an open Roux-en-Y gastric bypass. The patient is brought to the operating room and placed in supine position. A midline abdominal incision is made. The stomach is mobilized, and the proximal stomach is divided and stapled creating a small proximal pouch in continuity with the esophagus. A short limb of the proximal bowel of 155 cm is divided. It is brought up and anastomosed to the gastric pouch. The other end of the divided bowel is connected back into the distal small bowel to the short limb's gastric anastomosis to restore intestinal continuity. The abdominal incision is closed.
What are the procedure and diagnosis codes for this encounter?

Patient has undergone open surgery for a left total knee arthroplasty. While in the recovery room, he continued to have severe postoperative pain. The surgeon ordered a femoral block for postoperative pain. The anesthesiologist evaluated the patient and performed a left femoral block, which provided significant post-operative pain relief.
What CPT coding is reported?