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Data Documentation > Medicare LDS

Medicare Limited Data Set (LDS) Documentation

(Data Documentation is sometimes referred to as data dictionaries, record layouts, and data layouts)

ResDAC Disclosure Statement: This resource is for reference purposes only. Record layouts may vary, users should not use these layouts to develop programming language for specific data files. Please contact ResDAC with questions about the data files.

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Limited Data Set (LDS) Files

LDS Standard Analytical Files

• Inpatient
• Skilled Nursing Facility (SNF)
• Outpatient
• Home Health Agency (HHA)
• Hospice
• Carrier (Physician/Supplier)
• Durable Medical Equipment (DME)

Other LDS Files

• MedPAR File: National, and SNF
• Long-Term Care Hospital (LTCH) PPS Expanded Modified MEDPAR
• End Stage Renal Disease Composite Rate Payment System File
• LDS Denominator File
• LDS Outpatient PPS
• LDS Outpatient PPS Partial Hospitalization Program
• LDS Inpatient Psychiatric PPS
• Health Outcomes Survey

Last Modified August 11, 2011