What is the Medicare definition for hypopnea on polysomnography (PSG)?

Updated: Apr 29, 2020
  • Author: Carmel Armon, MD, MSc, MHS; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Answer

Medicare definition

  • Reduction in pressure amplitude greater than 30% of baseline value

  • Asocciated with SaO2 decrease of greater than 4%


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