Z86.79 Personal history of other diseases of the circulatory system
Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Applies from Z86 Personal history of certain other diseases
Code first
any follow-up examination after treatment (Z09)
Applies from Z86.7 Personal history of diseases of the circulatory system
Applicable to
Conditions classifiable to I00-I99
Excludes2 (not included here)
old myocardial infarction (I25.2)
personal history of anaphylactic shock (Z87.892)
postmyocardial infarction syndrome (I24.1)
MS-DRG index
Defines the logic of DRG(s) 951 in MDC 23.
Approximate ICD-9-CM (GEMs)
V12.50 Personal history of unspecified circulatory disease (approximate)
V12.59 Personal history of other diseases of circulatory system (approximate)
Medicare Code Edits (MCE v43.1 (April 2026))
Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.
Code annotations containing back-references to Z86.79
Back-references to Z86
Use Additional: Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm ("code to identify any applicable history of disease code (Z86.-, Z87.-)")
Diagnosis Index entries for Z86.79
History › personal (of) › disease or disorder (of) › circulatory system
History › personal (of) › disease or disorder (of) › circulatory system › specified condition NEC