Robert L. Mullin

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The Ambulatory Patient Group (APGs) are a patient classification system that was developed to be used as the basis of a prospective payment system (PPS) for the facility costs of outpatient care. This article will review the key characteristics of a patient classification system for ambulatory care, describe the APG development process, and describe a(More)
The Ambulatory Patient Groups (APGs) are a patient classification system that was developed to be used as the basis of a prospective payment system (PPS) for the facility cost of outpatient care. This article will review the key characteristics of a patient classification system for ambulatory care, describe the APG development process, and describe a(More)
The Diagnosis Related Groups patient classification scheme coupled with desk top PC technology permits sophisticated analysis of patient medical data. Individuals with no programming knowledge can produce sophisticated analysis. The functionality and structure of the 3M Analytical Workstation are described and example analysis reports are presented.
Focused utilization review efforts to date have centered on patient categories, i.e., diagnosis, service, or classification. Since the patient's length of stay is mostly controlled by the attending practitioner, it seemed logical to use practitioner profiles to focus review. The profiles developed compare each practitioner's patients, case-mix-adjusted,(More)
The Diagnosis Related Groups (DRGs) have been evolving for more than twenty years. The use of DRGs in a wide variety of applications has resulted in the development of five distinct versions of the DRGs: Medicare DRGs, Refined DRGs, Severity DRGs, All Patient DRGs and All Patient Refined DRGs. This article provides a description of the structure and major(More)