CPT® Code 93875

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1. Indications

The noninvasive physiologic studies of extracranial arteries, as described by CPT® Code 93875, are indicated for a variety of clinical scenarios. These indications may include:

• Assessment of Vascular Health Evaluation of blood flow in the extracranial arteries to identify potential vascular diseases or abnormalities.
• Diagnosis of Carotid Artery Disease Investigation of suspected carotid artery stenosis or occlusion, which can lead to cerebrovascular accidents.
• Monitoring of Existing Conditions Regular follow-up for patients with known vascular conditions to assess the effectiveness of treatment or progression of disease.
• Evaluation of Symptoms Investigation of symptoms such as transient ischemic attacks (TIAs), dizziness, or visual disturbances that may suggest compromised blood flow.

2. Procedure

The procedure for CPT® Code 93875 involves several key steps to ensure a thorough evaluation of the extracranial arteries. Each step is designed to gather comprehensive data regarding blood flow and vascular function.

• Step 1: Patient Preparation The patient is positioned comfortably, and the area of interest is exposed. A gel is applied to the skin to facilitate ultrasound transmission and improve image quality.
• Step 2: Ultrasound Imaging A transducer is placed on the skin over the extracranial arteries, typically around the neck and head regions. The ultrasound machine emits sound waves that bounce off the blood cells, creating images of the arteries and allowing for the assessment of blood flow direction and velocity.
• Step 3: Doppler Analysis Doppler ultrasound spectral analysis is performed to measure the speed and direction of blood flow within the arteries. This analysis helps identify any abnormalities such as stenosis or turbulence in blood flow.
• Step 4: Additional Noninvasive Studies Depending on the clinical scenario, additional noninvasive tests such as ocular pneumoplethysmography may be conducted to further evaluate blood flow dynamics in the ocular region.
• Step 5: Data Interpretation The collected data is analyzed by a qualified healthcare professional, who interprets the results to determine the presence of any vascular abnormalities or conditions that may require further intervention.

3. Post-Procedure

After the completion of the noninvasive physiologic studies of extracranial arteries, patients typically experience no significant recovery time, as the procedure is noninvasive and does not involve any sedation. Patients may resume normal activities immediately following the study. The results of the procedure are usually communicated to the patient during a follow-up appointment, where the healthcare provider discusses the findings and any necessary next steps based on the results. It is important for patients to follow any specific instructions provided by their healthcare provider regarding further evaluations or treatments if abnormalities are detected.