ICD-10-CM > I00-I99 > I20-I25 > I25 > I25.8 > I25.84 I25.84 Coronary atherosclerosis due to calcified coronary lesion Billable/Specific Copy Code Copy Description Applicable To Coronary atherosclerosis due to severely calcified coronary lesion Code First coronary atherosclerosis (I25.1-, I25.7-, I25.81-)