ICD-10-CM > I00-I99 > I20-I25 > I25 > I25.7 > I25.70 > I25.700 I25.700 Atherosclerosis of coronary artery bypass graft(s), unspecified, with unstable angina pectoris Billable/Specific Copy Code Copy Description Type 1 Excludes unstable angina pectoris without atherosclerosis of coronary artery bypass graft (I20.0)