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Neurology & Pain Management Coding Alert

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Home Sleep Tests Must Meet Criteria

Published on Sun Aug 09, 2009

Question: My physician had a patient perform a home sleep test for obstructive sleep apnea. What are the correct codes for home sleep testing? Maine Subscriber Answer: The codes you need for home sleep testing are: • G0398 -- 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 • G0399 -- ... with type III portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ECG/heart rate and 1 oxygen saturation • G0400 -- ... with type IV portable monitor, unattended; minimum of 3 channels. The physician services related to these codes are covered for the purpose of testing a patient for the diagnosis of obstructive sleep apnea if the home sleep testing is necessary for the diagnosis of the patient's condition. The procedure must also meet all other Medicare requirements, and your neurologist must have [...]
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