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Introduction
Pages 1-4

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From page 1...
... The Medicare data and information compiled by private abstracting services constitute two of the few national data bases for monitoring utilization of health services. Both are potentially useful for a variety of health services research, policy, and administrative needs, in addition to the PSRO evaluation, provided they are sufficiently reliable.
From page 2...
... The value of these analyses depends, in part, on the reliability of the data on diagnoses and procedures, which had not been examined before this study. SPECIFIC STUDY OBJECTIVES The objectives of this examination of Medicare records were: · To determine the frequency of discrepancy between selected data items included in the Medicare record and the corresponding hospital medical record; · Where discrepancies were detected, to determine the source of the error (usually, either the hospital or HCFA)
From page 3...
... Information was also gathered to describe the hospital's procedures for completing the Medicare claim form and forwarding that information to the fiscal intermediary and, eventually, to HCFA. The multiple, but poorly understood paths through which the data flow suggested that this additional documentation was warranted and might be useful ,~ ~ why errors occur.


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