Payment Matters: CMS Issues Revised 2006-2009 SSI Percentages


On March 16, 2012, CMS issued revised ratios used in the calculation of the Medicare/SSI fraction of the Medicare DSH adjustment for federal fiscal years 2006-2009. CMS has yet to issue public guidance regarding the settlement of outstanding appeals, but based on conversations with Medicare administrative contractors, it appears that CMS will be instructing contractors to settle, through reopening if necessary, only cost reports for FY 2006 forward at this point. It also appears that the contractors will be instructed to issue notices of program reimbursement for the affected cost reports by the late fall or early winter.

The revised ratios were calculated in the manner that CMS described in CMS- 1498-R, which was released in the spring of 2010. Consistent with that ruling, the ratios were recalculated to remove certain dual eligible days – such as exhausted benefit, Medicare secondary payer, and Medicare Advantage days – from the socalled Medicaid fraction. Those days were, instead, placed in the Medicare/SSI fraction. Anecdotal evidence suggests that, as a result, the majority of providers will see their DSH adjustments reduced under the revised data, because the denominator of the Medicare/SSI fraction (which is based on total Medicare days) expands based on the types of patient days that are included as “Medicare days.” Stated otherwise, by removing patient days from the Medicaid fraction and including them in the Medicare/SSI fraction, CMS is able to decrease a provider’s total DSH adjustment.

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