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Ask a Rev Cycle Expert: Electroencephalogram (EEG) Reporting?


If a patient has an unmonitored encephalogram (EEG) for 37 hours, what would be the correct code to charge?


The electroencephalogram (EEG) codes had major updates in 2020 to better reflect current practices. For an EEG lasting 37 hours, Current Procedural Terminology (CPT®) code 95708 Electroencephalogram (EEG), without video, review of data, technical description by EEG technologist, each increment of 12-26 hours; unmonitored would be reported with two units of service. According to the Long-Term EEG Monitoring Table, the duration of 36 hours and one minute up to 50 hours qualifies for reporting two units.

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