Trend — Home sleep study test (hst) with type ii portable monitor, unattended; minimum of 7 channels: eeg, eog, emg, ecg/heart rate, airflow, respiratory effort and oxygen saturation (G0398) in Medicare, the United States

The full twelve-year services and payments series for this market — per-year values, with the FFS-enrollment denominator beside each.

The compound annual growth for G0398 in the United States — endpoints exclude the introduction year; an Exclude 2020–21 view drops the pandemic years too.