Cervico-Cerebral Arch
- B31Q0 - High Osmolar
- B31Q01
- B31Q010 - Fluoroscopy Cervico-Cerebral Arch to Intraoperative with Laser, High Osmolar Approach
- B31Q0Z
- B31Q0ZZ - Fluoroscopy Cervico-Cerebral Arch to None with None, High Osmolar Approach
- B31Q1 - Low Osmolar
- B31Q11
- B31Q110 - Fluoroscopy Cervico-Cerebral Arch to Intraoperative with Laser, Low Osmolar Approach
- B31Q1Z
- B31Q1ZZ - Fluoroscopy Cervico-Cerebral Arch to None with None, Low Osmolar Approach
- B31QY - Other Contrast
- B31QY1
- B31QY10 - Fluoroscopy Cervico-Cerebral Arch to Intraoperative with Laser, Other Contrast Approach
- B31QYZ
- B31QYZZ - Fluoroscopy Cervico-Cerebral Arch to None with None, Other Contrast Approach
- B31QZ - None
- B31QZZ
- B31QZZZ - Fluoroscopy Cervico-Cerebral Arch to None with None, None Approach