ICD-10-CM 2027 diagnosis code
Z86.7Personal history of diseases of the circulatory system
Z86.7 is a header code, so it can't be reported by itself. Choose one of the 5 more specific codes beneath it.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About Z86.7
Z86.7 is the ICD-10-CM diagnosis code for personal history of diseases of the circulatory system. It belongs to category Z86 (personal history of certain other diseases), block Z77-Z99 (persons with potential health hazards related to family and personal history and certain conditions influencing health status) and chapter 21 (factors influencing health status and contact with health services). It is a header code, so it can't be reported by itself; one of its 5 subcodes must be used instead.
Within Z86 (personal history of certain other diseases), Z86.7 is specifically for personal history of diseases of the circulatory system. Related codes cover in-situ and benign neoplasms and neoplasms of uncertain behavior (Z86.0), infectious and parasitic diseases (Z86.1), diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (Z86.2), endocrine, nutritional and metabolic diseases (Z86.3), mental and behavioral disorders (Z86.5) and diseases of the nervous system and sense organs (Z86.6).
To report this condition, pick the subcode that matches the documentation: Z86.71 (embolism), Z86.72 (thrombophlebitis), Z86.73 (deficits), Z86.74 (arrest) and Z86.79 (system).
The conditions in its Excludes2 note aren't part of Z86.7, but may be coded alongside it if the patient has both: old myocardial infarction (I25.2), personal history of anaphylactic shock (Z87.892) and postmyocardial infarction syndrome (I24.1).
Code first: any follow-up examination after treatment (Z09).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Specific codes under Z86.7
- Z86.71Personal history of venous thrombosis and embolism
- Z86.72Personal history of thrombophlebitisBillable
- Z86.73Personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficitsBillable
- Z86.74Personal history of sudden cardiac arrestBillable
- Z86.79Personal history of other diseases of the circulatory systemBillable
Coding notes
Notes that apply from higher levels
Instructions written at a parent level also apply to Z86.7.
› From Z86 Personal history of certain other diseases
- any follow-up examination after treatment (Z09)
Broader instructions also apply from Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status and Chapter 21: Factors influencing health status and contact with health services.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about Z86.7
Is Z86.7 billable?
- No. Z86.7 is a header code. Report one of its more specific subcodes instead.