Internal Mammary Bypass Graft, Left
- B2180 - High Osmolar
- B2180Z
- B2180ZZ - Fluoroscopy Internal Mammary Bypass Graft, Left to None with None, High Osmolar Approach
- B2180Z
- B2181 - Low Osmolar
- B2181Z
- B2181ZZ - Fluoroscopy Internal Mammary Bypass Graft, Left to None with None, Low Osmolar Approach
- B2181Z
- B218Y - Other Contrast
- B218YZ
- B218YZZ - Fluoroscopy Internal Mammary Bypass Graft, Left to None with None, Other Contrast Approach
- B218YZ