External Carotid Arteries, Bilateral
- B30C0 - High Osmolar
- B30C0Z
- B30C0ZZ - Plain Radiography External Carotid Arteries, Bilateral to None with None, High Osmolar Approach
- B30C1 - Low Osmolar
- B30C1Z
- B30C1ZZ - Plain Radiography External Carotid Arteries, Bilateral to None with None, Low Osmolar Approach
- B30CY - Other Contrast
- B30CYZ
- B30CYZZ - Plain Radiography External Carotid Arteries, Bilateral to None with None, Other Contrast Approach
- B30CZ - None
- B30CZZ
- B30CZZZ - Plain Radiography External Carotid Arteries, Bilateral to None with None, None Approach