I63.9: Cerebral infarction, unspecified
Various blood vessels in the neck and brain supply blood to the brain. In your case, not enough blood was getting through certain blood vessels in your brain. As a result, the brain tissue has not received enough blood.
There are various reasons why a blood vessel gets blocked. The blood vessel can be narrowed by deposits. The blood vessel may also get inflamed, or the wall of the blood vessel may change. Then not enough blood can flow through. Or the blood vessel can be blocked by a blood clot. The blood clot can form in the heart or somewhere else in the body. The blood clot can then be swept towards the brain along with the blood.
Various risk factors can favor the blocking of a blood vessel. These include, for example, smoking, obesity, and high blood pressure.
If insufficient blood is flowing through the blood vessels in the brain, the brain can get damaged. A blood vessel blockage is a type of stroke. The stroke can cause various symptoms. For example, you may no longer be able to move some muscles properly, or to speak properly. It depends on where the brain has been damaged.
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If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.
For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.