Data: Training

View training videos on CMS data and learn how to use these data for research purposes.

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CMS MDS and OASIS Assessment Data

"This video provides a description of Minimum Dataset 3 (MDS) and Outcome and Assessment Information Set (OASIS). The content details the purpose and uses of each data source, provides a detailed description of new sections added in MDS 3.0, and discusses examples from practice." (ResDAC page on CMS MDS and OASIS Assessment Data)

Research Data Assistance Center (ResDAC) - Website

CMS Payment Systems and Resources for 'Costing'

"Understanding of the CMS payment systems will assist the researcher in knowing how services are reimbursed and what to expect in the data when costing services. This presentation will provide a historical review of CMS payment systems for all the claims data files, discuss details of calculating acute hospital MS-DRG payments, and review resources for determining 'cost' of services." (ResDAC page on CMS Payment Systems and Resources for Costing)

Research Data Assistance Center (ResDAC) - Website

Calculating Cost: Cost-to-Charge Ratios

"This presentation defines the different types of cost-to-charge ratios (CCRs), how to use these CCRs, and the locations of the CCRs in the data files.  The segment walks through an example of how to apply CCRs to adjust charges in order to arrive at an estimated 'cost'." (ResDAC page on Calculating Cost: Cost-to-Charge Ratios)

Research Data Assistance Center (ResDAC) - Website

Calculating Cost: Review Methods

"This presentation reviews articles that have compared different methods to "cost" services.  An example is presented that shows how "costing" services differs depending on the method used." (ResDAC page on Calculating Cost: Review Methods)

Research Data Assistance Center (ResDAC) - Website

Claims Data: Source and Processing

"Knowledge of where the Medicare data originate and what Medicare data files are available to you for research purposes is needed for guidance in the creation of any study using the Medicare administrative data.

This presentation will review what a claim is, what entities are involved in the claims process, what the source of the data in the files is, and what claims based files are available to researchers. This presentation will also provide an understanding of what types of services are found in each of the data files that will aid in decision making for which files would be needed for a research study." (ResDAC page on Claims Data: Source and Processing)

Research Data Assistance Center (ResDAC) - Website

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