I67.1 Cerebral aneurysm, nonruptured

ICD10CM code

#### Name of the Condition
- Cerebral Aneurysm, Nonruptured  
- Also known as: Unruptured Brain Aneurysm

#### Summary
A cerebral aneurysm, nonruptured, is a bulge or ballooning in a blood vessel in the brain that has not burst. While often symptomless, it can occasionally cause pain or pressure. It's crucial to monitor these aneurysms to prevent rupture, which can lead to serious complications.

#### Causes
- Genetic predispositions, particularly in families with a history of aneurysms.
- Congenital defects in the arteries.
- Conditions such as hypertension and atherosclerosis can contribute to their development.

#### Risk Factors
- Smoking and alcohol consumption.
- High blood pressure.
- Age (more common in individuals over 40).
- Female sex.
- Having a close relative with a history of cerebral aneurysms.

#### Symptoms
- Frequently asymptomatic unless it presses on nearby nerves or tissue.
- Possible symptoms include headaches, visual disturbances, or neurological deficits.

#### Diagnosis
- Often discovered incidentally during imaging tests for other issues.
- Confirmed using imaging techniques such as computed tomography angiography (CTA) or magnetic resonance angiography (MRA).

#### Treatment Options
- Monitoring for small, asymptomatic aneurysms.
- Surgical options like clipping or endovascular coiling to prevent rupture.
- Blood pressure management and lifestyle modifications.

#### Prognosis and Follow-Up
- Many individuals with small, unruptured aneurysms can continue to live healthy lives with appropriate monitoring.
- Regular check-ups and imaging tests are necessary to monitor change in size or risk of rupture.

#### Complications
- Risk of rupture increases with size, which can lead to hemorrhagic stroke.
- Symptoms worsening, impacting quality of life.

#### Lifestyle & Prevention
- Manage blood pressure and cholesterol levels.
- Cessation of smoking and moderation of alcohol intake.
- Healthy lifestyle choices such as a balanced diet and regular exercise.

#### When to Seek Professional Help
- Sudden, severe headaches, often described as the "worst headache" ever.
- Sudden change in vision or neurological status.
- Severe neck pain or stiffness.

#### Additional Resources
- Brain Aneurysm Foundation: [bafound.org](http://www.bafound.org/)
- American Stroke Association: [stroke.org](http://www.stroke.org)

#### Tips for Medical Coders
- Ensure specificity in distinguishing between ruptured and nonruptured aneurysms.
- Pay close attention to associated conditions like hypertension for comprehensive coding.
- Avoid coding errors by confirming whether additional tests or specific treatments were provided.

Medical Policies and Guidelines for Cerebral aneurysm, nonruptured

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