1. Origin of both RCA and LMS (separate origins) from the right aortic sinus
|
- 1a. Course of anomalous LMS between aorta and RVOT (anterior)
|
13
|
- 1b. Course of anomalous LMS not between aorta and RVOT (posterior)
|
8
|
2. Origin of both coronary arteries (separate origins) from the left aortic sinus
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- 2a. Course of anomalous RCA between aorta and RVOT (anterior)
|
34
|
- 2b. Course of anomalous RCA not between aorta and RVOT (posterior
|
0
|
3. Anomalous origin of the circumflex coronary artery from the right aortic sinus
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- 3a. Course of anomalous LCx between aorta and RVOT (anterior)
|
1
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- 3b. Course of anomalous LCx not between aorta and RVOT (posterior)
|
33
|
4. Anomalous origin of the left anterior descending artery from the right aortic sinus
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- 4a. Course of anomalous LAD between aorta and RVOT (anterior)
|
4
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- 4b. Course of anomalous LAD not between aorta and RVOT (posterior)
|
6
|
5. Single coronary artery (common origin)
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- 5a. Course of anomalous coronary artery between aorta and RVOT (anterior)
|
13
|
- 5b. Course of anomalous coronary artery not between aorta and RVOT (posterior)
|
5
|
6. Anomalous origin or communication of a coronary artery with a cardiac chamber or major thoracic vessel
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- 6a. Abnormal origin from the pulmonary artery or one of its major arterial branches
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11
|
- 6b. Abnormal origin from the aorta or one of its major arterial branches
|
2
|
- 6c. Abnormal communication of a coronary artery with a cardiac chamber or major thoracic vessel (fistula).
|
18
|
7. Miscellaneous / unclassified
|
25
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