Intracranial Arteries
- B30R0 - High Osmolar
- B30R0Z
- B30R0ZZ - Plain Radiography Intracranial Arteries to None with None, High Osmolar Approach
- B30R1 - Low Osmolar
- B30R1Z
- B30R1ZZ - Plain Radiography Intracranial Arteries to None with None, Low Osmolar Approach
- B30RY - Other Contrast
- B30RYZ
- B30RYZZ - Plain Radiography Intracranial Arteries to None with None, Other Contrast Approach
- B30RZ - None
- B30RZZ
- B30RZZZ - Plain Radiography Intracranial Arteries to None with None, None Approach