Bypass Graft, Other
- B21F0 - High Osmolar
- B21F0Z
- B21F0ZZ - Fluoroscopy Bypass Graft, Other to None with None, High Osmolar Approach
- B21F0Z
- B21F1 - Low Osmolar
- B21F1Z
- B21F1ZZ - Fluoroscopy Bypass Graft, Other to None with None, Low Osmolar Approach
- B21F1Z
- B21FY - Other Contrast
- B21FYZ
- B21FYZZ - Fluoroscopy Bypass Graft, Other to None with None, Other Contrast Approach
- B21FYZ