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Traditional MedicareAdministrativeMedium impact

Medicare Outpatient Observation Notice (MOON)

EmblemHealth·Emergency Medicine, Internal Medicine, General Practice·Provider News
Effective date
Not stated
We identified it
Jun 20, 2026
Days to comply
—

Summary

CMS now requires all hospitals and critical access hospitals to provide Medicare beneficiaries (including Medicare Advantage enrollees) with the Medicare Outpatient Observation Notice (MOON). This applies to patients receiving outpatient observation services and ensures they understand their status and potential costs.

Action Required

Action needed
Immediately: Hospital billing teams must ensure compliance with MOON notification requirements for all Medicare beneficiaries receiving outpatient observation services. Download the OMB-approved MOON form and completion instructions from CMS website. Train registration and nursing staff to provide notice to patients. Failure to provide required notice may result in compliance issues with CMS.

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