ICD-10-CM > I00-I99 > I20-I25 > I25 > I25.1 > I25.11 > I25.111 I25.111 Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasm Billable/Specific Copy Code Copy Description Type 1 Excludes angina pectoris with documented spasm without atherosclerotic heart disease (I20.1)