CPT® Code 95950

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Monitoring for identification and lateralization of cerebral seizure focus, electroencephalographic (eg, 8 channel EEG) recording and interpretation, each 24 hours

The CPT® Code 95950 refers to the process of monitoring for the identification and lateralization of cerebral seizure focus through electroencephalographic (EEG) recording and interpretation, conducted over each 24-hour period. This procedure is typically performed in a specialized epilepsy unit within a hospital setting, where patients are admitted for long-term monitoring. The primary objective of this monitoring is to pinpoint the specific region of the brain responsible for seizure activity, known as the seizure focus, and to ascertain whether this focus is located on the left or right hemisphere of the brain. To facilitate this monitoring, multiple EEG electrodes are strategically placed on the patient's scalp, and in some cases, additional electrodes may be positioned on other areas of the body. These electrodes are crucial as they continuously capture and transmit the brain's electrical activity to a recording and storage device, which can be connected via cables or utilize radio telemetry for wireless transmission. Throughout the monitoring period, which typically lasts between one to three days, technicians closely observe the patient under the supervision of a physician. The physician plays a vital role by periodically reviewing and analyzing the EEG recordings, both during seizure events and in the intervals between them. Once adequate EEG data has been collected and the seizure focus has been successfully identified and lateralized, the patient is discharged from the unit. Following the monitoring, the physician is responsible for providing a comprehensive written interpretation of the long-term EEG recordings. It is important to note that CPT® Code 95950 is reported for each 24-hour monitoring period conducted during this process.