Transient ischaemic attack (mini-stroke)
Also known as: Transient ischaemic attack, unspecified
General information only. Anpheros does not diagnose and does not recommend treatment. Talk to a doctor or pharmacist about your situation. In an emergency, call 112 (or your local emergency number).
In short
A transient ischemic attack is a stroke that lasts only a few minutes, occurring when the blood supply to part of the brain is briefly blocked. Symptoms happen suddenly and include numbness or weakness, confusion, trouble speaking or understanding speech, trouble seeing, difficulty walking, dizziness, and a loss of balance or coordination. Most symptoms disappear within an hour, although they may last for up to 24 hours. These attacks are often a warning sign for future strokes, and the risk of a stroke may be lowered by taking medicine, undergoing surgery, or maintaining a healthy lifestyle.
Source: MedlinePlus, National Library of Medicine.
AI-generated summary of the sources cited on this page, checked automatically against them. Not reviewed by a clinician; not medical advice.
Codes
Description
A transient ischemic attack (TIA) is a stroke that lasts only a few minutes. It happens when the blood supply to part of the brain is briefly blocked. Symptoms of a TIA are like other stroke symptoms, but do not last as long. They happen suddenly, and include:
- Numbness or weakness, especially on one side of the body
- Confusion or trouble speaking or understanding speech
- Trouble seeing in one or both eyes
- Difficulty walking
- Dizziness
- Loss of balance or coordination
Most symptoms of a TIA disappear within an hour, although they may last for up to 24 hours. Because you cannot tell if these symptoms are from a TIA or a stroke, you should go to the hospital right away.
TIAs are often a warning sign for future strokes. Taking medicine, such as blood thinners, may reduce your risk of a stroke. Your doctor might also recommend surgery. You can also help lower your risk by having a healthy lifestyle. This includes not smoking, not drinking too much, eating a healthy diet, and exercising. It is also important to control other health problems, such as high blood pressure and cholesterol.
NIH: National Institute of Neurological Disorders and Stroke
Next to it in ICD-10
- G35Multiple Sclerosis
- G40Epilepsy
- G43Migraine
- G51Facial nerve disorders (including Bell's palsy)
- G70Myasthenia gravis
- G73Nerve-muscle and muscle disorders in other diseases
Neighbouring codes in the classification, not a medical link.
External resources
Questions
What is the ICD-10 code for Transient ischaemic attack (mini-stroke)?
G45 (WHO, International Classification of Diseases, 10th Revision).
What is the ICD-11 code for Transient ischaemic attack (mini-stroke)?
8B10.Z: Transient ischaemic attack, unspecified (WHO, ICD-11 for Mortality and Morbidity Statistics).
Sources and attribution
- ICD-11 for Mortality and Morbidity Statistics, © World Health Organization, licensed under CC BY-ND 3.0 IGO.
- Names other than the official source titles: Anpheros translations and plain-language names, made with AI assistance and checked automatically; the source names are in English.
- Source: MedlinePlus, National Library of Medicine.
- ICD-10 codes and titles © World Health Organization. Source: WHO, International Classification of Diseases, 10th Revision (2019).
Anpheros Search catalog 2026.10.5, published 17 October 2026. About the data →
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In an emergency, call 112 (or your local emergency number). Do not delay seeking medical help because of something you read here.