Dendooven, Am\ue9lie

Leh, Sabine

Abstract: Medical coding systems fulfil many tasks. In general, they enable the retrieval, annotation and analysis of information. There is no dedicated coding system for the histopathological assessment of medical kidney biopsies. The aim of the project "Kidney biopsy codes for pathologists" (KBC) is to establish a coding system for non-neoplastic kidney diseases that allows the coding of any diagnosis and/or any microscopic pattern of injury. In an expert workshop, the principles of the KBC system were defined. Based on expertise and experience and by analyzing domain-specific documents, a terminology with synonyms and parent-child relationships was defined. Subsequently, an internal project review process and a second expert workshop were conducted. The KBC currently consists of 576 active terms, of which 168 belong to a compact coding group and 408 to a detailed coding group. The KBC structure is multi-hierarchical with a disease concept axis, a pattern of injury axis and the possibility to specify additional attributes. The concepts are grouped by kidney compartments. A comprehensive coding system for non-neoplastic kidney diseases is now established. The KBC project aims to collaborate with SNOMED International to create a defined subgroup in SNOMED CT. If KBC can be integrated into an existing framework, such as SNOMED CT, this would ensure the maintenance and administration and facilitate a broad, international review process

Kidney biopsy codes for pathologists : a project of the Working Group Nephropathology of the European Society of Pathology

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