Codify By AAPC
HCPCS Range Sleep Studies, In Home
1
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 )
2
Home sleep test (HST) with type III portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation ( G0399 )
3
Home sleep test (HST) with type IV portable monitor, unattended; minimum of 3 channels ( G0400 )