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

ICD10CM code

#### Name of the Condition
- Personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits  
- ICD-10 Code: Z86.73

#### Summary
- This condition refers to individuals with a previous history of a minor stroke, known as a transient ischemic attack (TIA), or a cerebral infarction (stroke) without any lasting side effects or impairments.

#### Causes
- Transient ischemic attacks and cerebral infarctions are typically caused by a temporary reduction in blood flow to the brain. This may be due to atherosclerosis, small blood clots, or blood vessel spasm.

#### Risk Factors
- Age (older age increases risk)
- High blood pressure
- High cholesterol levels
- Smoking
- Diabetes
- Family history of stroke or TIA
- Sedentary lifestyle
- Excessive alcohol consumption

#### Symptoms
- At the time of TIA or stroke: sudden numbness, weakness, confusion, difficulty speaking, vision disturbances. However, individuals coded with Z86.73 experience no ongoing symptoms.

#### Diagnosis
- Primarily based on medical history.
- Initial TIAs and strokes may be diagnosed with imaging tests (CT scan, MRI), carotid ultrasound, echocardiograms, or blood tests to rule out other conditions.

#### Treatment Options
- No specific treatment for the history itself, but focus on preventing future events.
- Medications could include antiplatelet drugs like aspirin, anticoagulants, or statins.
- Lifestyle modifications and control of risk factors are emphasized.

#### Prognosis and Follow-Up
- Generally favorable if patients maintain good care and preventive measures.
- Regular check-ups to monitor risk factors and adjust treatment plans as needed.

#### Complications
- Increased risk of recurrent TIAs or strokes if risk factors are not managed.
- Potential for developing vascular dementia or other complications from subsequent strokes.

#### Lifestyle & Prevention
- Healthy diet and regular exercise
- Smoking cessation
- Limiting alcohol intake
- Regular monitoring and control of blood pressure, cholesterol, and diabetes

#### When to Seek Professional Help
- Immediate medical attention if experiencing any symptoms of a stroke or TIA, such as sudden weakness, difficulty speaking, or vision problems.

#### Additional Resources
- American Stroke Association (https://www.stroke.org)
- National Institute of Neurological Disorders and Stroke (https://www.ninds.nih.gov)

#### Tips for Medical Coders
- Ensure accurate coding by confirming no residual deficits are present.
- Avoid coding for current conditions if the patient has moved past the acute phase without lasting impairments.

Medical Policies and Guidelines for Personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits

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