Chen Shih-kung, Five Commandments and Ten Requirements (1617)

1. Acquiring evil habits
2. Over self-confidence
3. Strong prejudice
4. Imitation or lack of initiative
5. Making careless diagnosis
6. Practicing magic healing
7. Treating the nobility and commoners similarly*
8. Neglecting poor patients
9. Extorting high compensation from critical cases
10. Criticizing or slandering other physicians

* It was believed that the physique of the nobility was delicate while that of a commoner was tough. They should, therefore, be treated differently. (Lee, 274)

Source: T'ao Lee,  "Medical Ethics in Ancient China," Bulletin of the History of Medicine 13 (1943): 268-277.