I77.3 Arterial fibromuscular dysplasia

ICD10CM code

#### Name of the Condition
- Arterial Fibromuscular Dysplasia (FMD)

#### Summary
- Arterial Fibromuscular Dysplasia is a rare vascular disease that causes abnormal cell growth in the walls of one or more arteries, leading to the arteries' narrowing, stenosis, or blockage. It most commonly affects the renal and carotid arteries.

#### Causes
- The exact cause of FMD is unknown, but it may be linked to genetic factors, hormonal influences, or developmental issues in the arteries.

#### Risk Factors
- Primarily affects women aged 20 to 60.
- Family history of FMD or associated connective tissue disorders.
- Possible hormonal influences.

#### Symptoms
- High blood pressure, especially if resistant to treatment.
- Headaches, dizziness, or vertigo.
- Pulsatile tinnitus (hearing a sound in sync with your pulse).
- Neck pain or a sensation of fullness.

#### Diagnosis
- Doppler ultrasound.
- CT angiography or magnetic resonance angiography (MRA).
- Catheter-based angiography for detailed imaging.

#### Treatment Options
- Medications: Antihypertensives to control high blood pressure.
- Angioplasty: A procedure to widen the affected arteries.
- Surgery: In rare, severe cases, surgical reconstruction of the arteries.
- Treatments aim to alleviate symptoms and reduce the risk of complications.

#### Prognosis and Follow-Up
- Prognosis varies; many people live normal lives with proper management.
- Regular follow-up is essential to monitor blood pressure and artery health through imaging studies.

#### Complications
- If untreated, FMD can lead to serious complications such as aneurysm, artery dissection, or stroke in severe cases.

#### Lifestyle & Prevention
- Healthy lifestyle choices like a balanced diet, regular exercise, and avoiding tobacco.
- Stress management might help in reducing risk factors associated with complications.

#### When to Seek Professional Help
- Sudden or severe headaches, difficulty speaking, weakness in limbs, or vision problems.
- New or worsening blood pressure control issues.

#### Additional Resources
- Fibromuscular Dysplasia Society of America (FMDSA): [www.fmdsa.org](http://www.fmdsa.org)
- American Heart Association: [www.heart.org](https://www.heart.org)

#### Tips for Medical Coders
- Ensure careful differentiation between fibromuscular dysplasia and other arterial diseases.
- Avoid confusion with atherosclerosis, a common error in coding.
- Verify whether both renal and carotid arteries are involved for accurate coding documentation.

Medical Policies and Guidelines for Arterial fibromuscular dysplasia

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