Nebraska Medicaid Program

Medicaid Nursing Facility Providers

Minimum Data Set and Case Mix Information


The MDS is part of the U.S. federally mandated process for clinical assessment of all residents in Medicare or Medicaid certified nursing homes. This process provides a comprehensive assessment of each resident's functional capabilities and helps nursing home staff identify health problems. MDS assessments are required for residents on admission to the nursing facility and then periodically, within specific guidelines and time frames. MDS information is transmitted electronically by nursing homes to the national MDS database at the Centers for Medicare and Medicaid Services (CMS) and to the MDS database in their respective states.


Case Mix is by definition a system that classifies people into groups that are homogeneous in their use of resources. A case mix system also provides clinical descriptions of these individuals. The case mix system currently used in nursing facilities is the Resource Utilization Groups (RUG-III). The algorithm for RUG-III was developed to provide a patient-specific means of allocating health care resources based on the variable costs of caring for individuals with different needs.

NCIS Web Access Process

MDS 3.0:

Beginning October 1, 2010, CMS requires that nursing facilities use the 3.0 version of the MDS for resident assessments.

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Federal revisions to Section Q of MDS 3.0 require that nursing facilities ask residents if they are interested in returning to the community and if they would like to speak to someone about this possibility. Nebraska Medicaid has designated the Nebraska ADRC as the Section Q contact for nursing facility referrals.

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Nebraska Medicaid uses the RUG-III 5.20 34-grouper version in calculating nursing facility reimbursement.

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