Intracranial Arteries
- B31R0 - High Osmolar
- B31R01
- B31R010 - Fluoroscopy Intracranial Arteries to Intraoperative with Laser, High Osmolar Approach
- B31R0Z
- B31R0ZZ - Fluoroscopy Intracranial Arteries to None with None, High Osmolar Approach
- B31R1 - Low Osmolar
- B31R11
- B31R110 - Fluoroscopy Intracranial Arteries to Intraoperative with Laser, Low Osmolar Approach
- B31R1Z
- B31R1ZZ - Fluoroscopy Intracranial Arteries to None with None, Low Osmolar Approach
- B31RY - Other Contrast
- B31RY1
- B31RY10 - Fluoroscopy Intracranial Arteries to Intraoperative with Laser, Other Contrast Approach
- B31RYZ
- B31RYZZ - Fluoroscopy Intracranial Arteries to None with None, Other Contrast Approach
- B31RZ - None
- B31RZZ
- B31RZZZ - Fluoroscopy Intracranial Arteries to None with None, None Approach