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Home Oxygen Therapy -- CMN for Oxygen
June 14th, 2018 - Raquel Shumway
The Certificate of Medical Necessity (CMN) for Oxygen is a required form that helps to document the medical necessity for oxygen therapy. It also documents other coverage criteria for the oxygen use. For payment on a home oxygen claim, the information in the supplier’s records or the patient’s medical record must be substantiated with the information in the CMN.

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