Coding mechanisms for main condition in ICD-11

Abstract Countries have been routinely abstracting health data from hospital charts and coding conditions using ICD-10. A main condition must be assigned to each admission. However, the definition of main condition is inconsistent across countries, and may be based on (1) the initial reason for admi...

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Main Authors: Hude Quan, Olafr Steinum, Danielle A. Southern, William A. Ghali
Format: Article
Language:English
Published: BMC 2025-07-01
Series:BMC Medical Informatics and Decision Making
Subjects:
Online Access:https://doi.org/10.1186/s12911-025-03069-6
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author Hude Quan
Olafr Steinum
Danielle A. Southern
William A. Ghali
author_facet Hude Quan
Olafr Steinum
Danielle A. Southern
William A. Ghali
author_sort Hude Quan
collection DOAJ
description Abstract Countries have been routinely abstracting health data from hospital charts and coding conditions using ICD-10. A main condition must be assigned to each admission. However, the definition of main condition is inconsistent across countries, and may be based on (1) the initial reason for admission; (2) the reason for admission, as understood at the end of the hospital stay; and (3) the condition that consumed the most hospital resources or hospital days. Now, ICD-11 standardizes the coding schema for main condition. This paper describes the ICD-11 coding guidelines for main condition and discusses their implications for data comparability.
format Article
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institution Kabale University
issn 1472-6947
language English
publishDate 2025-07-01
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series BMC Medical Informatics and Decision Making
spelling doaj-art-98ce4896d2c848db999af96a0e694e1e2025-08-20T03:42:57ZengBMCBMC Medical Informatics and Decision Making1472-69472025-07-0121S61610.1186/s12911-025-03069-6Coding mechanisms for main condition in ICD-11Hude Quan0Olafr Steinum1Danielle A. Southern2William A. Ghali3Department of Community Health Sciences, Cumming School of Medicine, University of CalgaryNordic WHO FIC Collaborating CentreDepartment of Community Health Sciences, Cumming School of Medicine, University of CalgaryOffice of Vice President of Research & O’Brien Institute of Public Health, University of CalgaryAbstract Countries have been routinely abstracting health data from hospital charts and coding conditions using ICD-10. A main condition must be assigned to each admission. However, the definition of main condition is inconsistent across countries, and may be based on (1) the initial reason for admission; (2) the reason for admission, as understood at the end of the hospital stay; and (3) the condition that consumed the most hospital resources or hospital days. Now, ICD-11 standardizes the coding schema for main condition. This paper describes the ICD-11 coding guidelines for main condition and discusses their implications for data comparability.https://doi.org/10.1186/s12911-025-03069-6StandardsMain conditionInternational classification of diseases
spellingShingle Hude Quan
Olafr Steinum
Danielle A. Southern
William A. Ghali
Coding mechanisms for main condition in ICD-11
BMC Medical Informatics and Decision Making
Standards
Main condition
International classification of diseases
title Coding mechanisms for main condition in ICD-11
title_full Coding mechanisms for main condition in ICD-11
title_fullStr Coding mechanisms for main condition in ICD-11
title_full_unstemmed Coding mechanisms for main condition in ICD-11
title_short Coding mechanisms for main condition in ICD-11
title_sort coding mechanisms for main condition in icd 11
topic Standards
Main condition
International classification of diseases
url https://doi.org/10.1186/s12911-025-03069-6
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AT olafrsteinum codingmechanismsformainconditioninicd11
AT danielleasouthern codingmechanismsformainconditioninicd11
AT williamaghali codingmechanismsformainconditioninicd11