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CMS finalizes changes to home oxygen benefit

CMS finalizes changes to home oxygen benefit

WASHINGTON – CMS has posted a final national coverage determination and decision memo on “Home Use of Oxygen and Home Oxygen Use to Treat Cluster Headaches.”

The agency says of its decision to stick with removing the CMN requirement for home oxygen:

“CMNs are claim attachment forms developed in the 1990s to augment medical review. At that time, the CMS DME claims systems had very limited editing capabilities and only basic information was included on the claim form. The CMN forms captured information needed for medical necessity determinations. Currently however, the claims processing system is more sophisticated and can secure information that may corroborate the medical necessity for home oxygen. Sophisticated audits of the medical record may also accomplish the same goal. Therefore, the CMN for home oxygen is no longer necessary as part of the NCD.”

Read the final NCD and decision memo here.


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