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CMS Announces Removal of CMNs Effective January 1, 2023


Yesterday, CMS announced that certificates of medical necessity (CMNs) and DME information forms (DIFs) will be eliminated starting with claims with a date of service on or after 1/1/23.

The following is the full announcement:

Eliminating Certificates of Medical Necessity & Durable Medical Equipment Information Forms — January 1, 2023

Suppliers, billers, and vendors: Certificates of medical necessity (CMNs) and the durable medical equipment (DME) information forms (DIFs) are discontinued effective January 1, 2023. As a result, you can’t submit CMN and DIF forms or their electronic claim data elements with claims for dates of service on or after January 1, 2023. Suppliers must continue to submit CMN and DIF information for claims with dates of service before January 1, 2023. CMS will provide additional information soon.

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