DRG

I20.0   Unstable angina
I20.1   Angina pectoris with documented spasm
I20.8   Other forms of angina pectoris
I20.9   Angina pectoris, unspecified
I24.0   Acute coronary thrombosis not resulting in myocardial infarction
I24.8   Other forms of acute ischemic heart disease
I24.9   Acute ischemic heart disease, unspecified