CPT® Code 95819

An electroencephalogram (EEG) is a diagnostic procedure that measures and records the electrical activity of the brain. This test is crucial for identifying various neurological conditions. It is commonly performed to diagnose seizure disorders, assess the cause of confusion, investigate episodes of unconsciousness, evaluate head injuries, and detect other brain-related issues such as tumors, infections, degenerative diseases, or metabolic disturbances. Additionally, an EEG can be utilized to evaluate sleep disorders. During the procedure, a trained EEG 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 a recording machine, which captures the brain's electrical signals. The patient is instructed to lie still with their eyes closed while the machine is activated, initiating the recording process. The electrical signals from the brain are transformed into wavy lines, which are documented on a moving piece of graph paper. To enhance the test's effectiveness, the patient may be asked to hyperventilate or undergo photic stimulation during the awake phase to potentially trigger seizure activity. For certain types of abnormal brain electrical activity, it is necessary for the patient to be drowsy or asleep, which may require the patient to have a reduced amount of sleep the night before the EEG. The physician subsequently reviews the recorded data and provides a comprehensive written interpretation of the results. It is important to note that different CPT codes are used for various EEG recording scenarios: CPT® Code 95816 is designated for EEG recordings with the patient awake and drowsy, CPT® Code 95819 is for recordings with the patient awake and asleep, and CPT® Code 95822 is for EEG recordings conducted on a patient who is in a coma or asleep.