Z86.73 — Personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits

Z86.73

ICD-10 Chapter 21: Factors Influencing Health Status — illustrative image — Chapter 21: Factors influencing health status and contact with health services (Z00–Z99) — illustrative image

What this code means

A personal history of a transient ischaemic attack (TIA) or a stroke (cerebral infarction) that left no residual deficits.

Also called: history of tia, history of stroke without deficits.

When this code is used

Used for personal history of transient ischaemic attack (TIA), and cerebral infarction without residual deficits.

Where it sits in ICD-10-CM

Code Z86.73 belongs to Chapter 21: Factors influencing health status and contact with health services, which covers codes Z00–Z99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Learn more about this condition

Condition guide: Stroke

Frequently asked questions

What is ICD-10-CM code Z86.73?

Z86.73 is the ICD-10-CM diagnosis code for “Personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits”. A personal history of a transient ischaemic attack (TIA) or a stroke (cerebral infarction) that left no residual deficits.

When is code Z86.73 used?

Used for personal history of transient ischaemic attack (TIA), and cerebral infarction without residual deficits. It belongs to Chapter 21 of ICD-10-CM (Factors influencing health status and contact with health services).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.