ICD-10-CM > Z00-Z99 > Z77-Z99 > Z82 > Z82.4 Z82.4 Family history of ischemic heart disease and other diseases of the circulatory system Non-Billable/Non-Specific Applicable To Conditions classifiable to I00-I5A, I65-I99 Codes Z82.41Family history of sudden cardiac deathZ82.49Family history of ischemic heart disease and other diseases of the circulatory system