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OASIS-E – M0090 Date

The implementation of a new OASIS data set—OASIS-E—is set to begin in January for Medicare-certified home health providers.  However, the exact date of transition from OASIS-D1 to OASIS-E depends on the M0090 date.  As a reminder, the M0090 item captures the date the OASIS assessment is complete.  It’s defined as the last date the comprehensive…

The implementation of a new OASIS data set—OASIS-E—is set to begin in January for Medicare-certified home health providers.  However, the exact date of transition from OASIS-D1 to OASIS-E depends on the M0090 date.  As a reminder, the M0090 item captures the date the OASIS assessment is complete.  It’s defined as the last date the comprehensive assessment to determine OASIS coding of items is completed by the assessing clinician.  Factors delaying the completion of the OASIS on the day of actual visit to the patient’s residence may be a need to collaborate with other agency staff, waiting on communication with the physician, and other reasons.  Each OASIS assessment type has an established number of days for completion of the OASIS.  That being said, the OASIS-D1 will be used for all assessments with a M0090 date on or before 12/31/2022.  OASIS-E must be used for all assessments with a M0090 date of 01/01/2023 or after.  The new year and its changes will be here before we know it.  Get ready!