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Chapter 8
Indexes, Registers, and
Health Data Collection

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Indexes
• Master Patient Index (MPI)
– Purpose of the MPI
– Automated MPI
– Manual MPI
– Avoiding duplicate MPI records
• Disease, procedure, and physicians indexes

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Data Entry Screen for MPI

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Master Patient Index Card

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Disease Index

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Procedure Index

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Physician Index

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Registers and Registries
• Case report forms
• Vital statistics
– Birth certificates
– Death certificates
• Operation of registers and registries

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Case Abstracting
• Case mix analysis
• Automated case abstracting systems
• Manual case abstracting systems
• Data set
• Data dictionary

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Health Care Data Sets
• Data Elements for Emergency Department
Systems (DEEDS)
• Essential Medical Data Set (EMDS)
• Health Plan Employer Data and Information
Set (HEDIS)
• Minimum Data Set (MDS)
• National Cancer Data Base (NCDB)

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Health Care Data Sets (Continued)
• Outcome and Assessment Information Set
(OASIS)
• JCAHO ORYX Initiative
• Uniform Ambulatory Care Data Set
(UACDS)
• Uniform Clinical Data Set (UCDS)
• Uniform Hospital Discharge Data Set
(UHDDS)

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Health Care Data Sets (Continued)
• Medical Information Bureau (MIB)
– Clearinghouse of medical and avocation information
• National Practitioner Data Bank (NPDB)
– Legislated by the Health Care Quality and Improvement
Act of 1986

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Health Care Data Collection
• Descriptive health care statistics
• Data quality
• Hospital-based statistics
– Admission data
– Length of stay (LOS)
– Discharge data