HCPCS Code G0399: Home Sleep Test (HST) With Type III Portable Monitor, Unattended; Minimum of 4 Channels

Learn about HCPCS Code G0399 for home sleep tests using type III portable monitors, including test setup, required channels, documentation, and billing guidelines.

Use Code

Frequently asked questions

HCPCS code G0399 requires the use of a portable monitor that records at least 2 respiratory movement airflow, 1 ECG/heart rate, and 1 oxygen saturation channel simultaneously. This simultaneous recording ensures accurate data for diagnosing sleep disorders.

The HSAT provider must ensure that the service performed includes complete data collection and analysis, covering sleep staging, sleep time, and additional parameters relevant to the patient’s condition. Proper documentation of these components is essential to support claims and demonstrate compliance.

Sleep disorders diagnosed through sleep studies, like those billed under G0399, fall under various conditions classified by clinical guidelines. The content contained in the sleep test report, including channels 2, respiratory movement, oxygen levels, and cardiac monitoring, helps determine the diagnosis and treatment plan.