2021
DOI: 10.2188/jea.je20200288
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History and Profile of Diagnosis Procedure Combination (DPC): Development of a Real Data Collection System for Acute Inpatient Care in Japan

Abstract: DPC, which is an acronym for "Diagnosis Procedure Combination," is a patient classification method developed in Japan for inpatients in the acute phase of illness. It was developed as a measuring tool intended to make acute inpatient care transparent, aiming at standardization of Japanese medical care, as well as evaluation and improvement of its quality. Subsequently, this classification method came to be used in the Japanese medical service reimbursement system for acute inpatient care and appropriate alloca… Show more

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Cited by 168 publications
(174 citation statements)
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“…In Japan, automated ambient PM 2.5 measurement by standardized methods began around 2012, enabling nationwide studies of the health effects of ambient PM 2.5 exposure [ 14 , 15 ]. In 2017, the Ministry of Health, Labour and Welfare of Japan (MHLW) started to provide Diagnosis Procedure Combination (DPC) [ 16 , 17 ] survey data in aggregated form. In the survey, MHLW collected simplified medical records of each hospitalized patient from most of the acute-care hospitals in Japan.…”
Section: Introductionmentioning
confidence: 99%
“…In Japan, automated ambient PM 2.5 measurement by standardized methods began around 2012, enabling nationwide studies of the health effects of ambient PM 2.5 exposure [ 14 , 15 ]. In 2017, the Ministry of Health, Labour and Welfare of Japan (MHLW) started to provide Diagnosis Procedure Combination (DPC) [ 16 , 17 ] survey data in aggregated form. In the survey, MHLW collected simplified medical records of each hospitalized patient from most of the acute-care hospitals in Japan.…”
Section: Introductionmentioning
confidence: 99%
“…We used a deidentified inpatient claims database, collected under Diagnosis Procedure Combination/Per-Diem Payment System, built by Medical Data Vision Co. (Tokyo, Japan). 4 Briefly, this payment system is part of public health insurance reimbursement system in Japan, 5 and therefore, the database consists of demographic/clinical information of all the hospitalisations for each hospital. The database included 272 Japanese acute-care hospitals that consented to data utilisation (covering 12.4% of all admissions into acute-care hospitals in Japan in January 2019).…”
mentioning
confidence: 99%
“…Laboratory results, microbiological test results, imaging findings and medical records are not available in the DPC database. 32 The disease diagnoses, including comorbidities, and causes of death were based on the data extracted from the DPC database, and the diagnostic basis was not completely supported. Previous studies on PCP using the administrative or claims database diagnosed and defined PCP using ICD codes.…”
Section: Discussionmentioning
confidence: 99%