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[Coding of diagnoses according to ICD-9].

E Glattre1

  • 1Kreftregisteret, Montebello, Oslo.

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|April 10, 1990
PubMed
Summary

This paper details the International Classification of Diseases, 1975 Revision (ICD-9) structure and coding rules used in Norway. It explains how to accurately code diagnoses to minimize information loss and ensure reproducibility.

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Area of Science:

  • Medical Informatics
  • Health Information Management

Context:

  • The International Classification of Diseases, 1975 Revision (ICD-9) has been the standard for Norwegian hospitals and public health since 1987.
  • Accurate disease coding is crucial for health data analysis and public health administration.

Purpose:

  • To provide a comprehensive overview of the ICD-9 structure and characteristics.
  • To examine the fundamental ICD-9 coding rules, emphasizing information preservation and completeness.
  • To present methods for searching and identifying ICD-9 codes for diagnoses.

Summary:

  • The paper elaborates on the ICD-9 structure and its application in Norway.
  • Key coding principles are discussed, including the mandate for complete diagnosis transformation with minimal information loss.
  • Rules for multiple coding are detailed, advocating for the division of complex diagnoses into smaller entities to enhance coding accuracy and reduce information loss.
  • The selection of the most informative and concise code set is explained, prioritizing reproducibility.

Impact:

  • Ensures accurate and consistent disease classification in Norwegian healthcare.
  • Facilitates reliable health data analysis and reporting.
  • Improves the efficiency and accuracy of medical coding practices.

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