Consistency and Reliability of MDK Expertise Examining the Encoding in the German DRG System

被引：5

作者：

Gaertner, T. ^{[1
]}

Lehr, F. ^{[2
]}

Blum, B. ^{[3
]}

van Essen, J. ^{[4
]}

机构：

[1] Med Dienst Krankenversicherung Hessen, Stabs & Serv Bereich Wissen & Kommun, D-61440 Oberursel, Germany

[2] Geschaftsbereich Krankenhaus, Med Dienst Krankenversicherung Hessen, Oberursel, Germany

[3] Med Dienst Krankenversicherung Hessen, Controlling, Oberursel, Germany

[4] Med Dienst Krankenversicherung Hessen, Arztl Leitung, Oberursel, Germany

来源：

GESUNDHEITSWESEN | 2015年 / 77卷 / 8-9期

关键词：

DRG; diagnosis-related groups; coding data quality; medical review board; MDK; quality management; HOSPITALS;

D O I：

10.1055/s-0034-1398553

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

Introduction: Hospital inpatient stays are reimbursed on the basis of German diagnosis-related groups (G-DRG). The G-DRG classification system is based on complex coding guidelines. The Medical Review Board of the Statutory Health Insurance Funds (MDK) examines the encoding by hospitals and delivers individual expertises on behalf of the German statutory health insurance companies in cases in which irregularities are suspected. A study was conducted on the inter-rater reliability of the MDK expertises regarding the scope of the assessment. Methods: A representative sample of 212 MDK expertises was taken from a selected pool of 1 392 MDK expertises in May 2013. This representative sample underwent a double-examination by 2 independent MDK experts using a special software based on the 3MTM G-DRG Grouper 2013 of 3M Medica, Germany. The following items encoded by the hospitals were examined: DRG, principal diagnosis, secondary diagnoses, procedures and additional payments. It was analysed whether the results of MDK expertises were consistent, reliable and correct. Results: 202 expertises were eligible for evaluation, containing a total of 254 questions regarding one or more of the 5 items encoded by hospitals. The double-examination by 2 independent MDK experts showed matching results in 187 questions (73.6 %) meaning they had been examined consistently and correctly. 59 questions (23.2 %) did not show matching results, nevertheless they had been examined correctly regarding the scope of the assessment. None of the principal diagnoses was significantly affected by inconsistent or wrong judgment. Conclusion: A representative sample of MDK expertises examining the DRG encoding by hospitals showed a very high percentage of correct examination by the MDK experts. Identical MDK expertises cannot be achieved in all cases due to the scope of the assessment. Further improvement and simplification of codes and coding guidelines are required to reduce the scope of assessment with regard to correct DRG encoding and its examination.

引用

页码：559 / 564

页数：6

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