Pulmonary Veins, Bilateral
- B50S0 - High Osmolar
- B50S0Z
- B50S0ZZ - Plain Radiography Pulmonary Veins, Bilateral to None with None, High Osmolar Approach
- B50S0Z
- B50S1 - Low Osmolar
- B50S1Z
- B50S1ZZ - Plain Radiography Pulmonary Veins, Bilateral to None with None, Low Osmolar Approach
- B50S1Z
- B50SY - Other Contrast
- B50SYZ
- B50SYZZ - Plain Radiography Pulmonary Veins, Bilateral to None with None, Other Contrast Approach
- B50SYZ