CPT® Code 95827

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An all night electroencephalogram (EEG) recording is a diagnostic procedure that involves monitoring the electrical activity of the brain over an extended period, typically throughout the night. This test is crucial for identifying various neurological conditions. An EEG is particularly useful in diagnosing seizure disorders, as it can capture abnormal electrical discharges that occur during seizures. Additionally, it helps determine the underlying causes of confusion, investigate episodes of unconsciousness, and evaluate head injuries. The procedure can also identify other brain-related issues, such as tumors, infections, degenerative diseases, or metabolic disturbances. Furthermore, an all night EEG is instrumental in assessing sleep disorders, as certain types of abnormal brain activity can only be detected while the patient is asleep. The recording process begins at the patient's usual bedtime and continues until they wake up in the morning, allowing for a comprehensive analysis of brain activity during sleep. To conduct the EEG, a trained technician applies sixteen or more electrodes to specific locations on the scalp using a conductive sticky paste. These electrodes are connected to an amplifier and recording device, which captures the brain's electrical signals throughout the night. After the recording is complete, a physician reviews the data and provides a detailed written interpretation of the findings, which is essential for guiding further medical evaluation and treatment.