ICD-10-CM > I00-I99 > I20-I25 > I25 > I25.7 > I25.79 > I25.790 I25.790 Atherosclerosis of other coronary artery bypass graft(s) with unstable angina pectoris Billable/Specific Copy Code Copy Description Type 1 Excludes unstable angina without atherosclerosis of other coronary artery bypass graft(s) (I20.0)