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Foundation
The ICD Foundation Component

The Foundation Component represents the entire WHO-FIC universe. It is a multidimensional collection of interconnected entities and synonyms. These entities consist of diseases, disorders, injuries, external causes, signs and symptoms, functional descriptions, interventions, and extension codes. ICD-11 statistical core (MMS) is derived from this foundation, ICF and ICHI will follow.
The entities in the Foundation Component:
1. are not necessarily mutually exclusive
2. allow multiple parenting ( i. e. an entity may be in more than one branch, for example tuberculosis meningitis is both an infection and a brain disease)
Linearizations
The Linearizations
A linearization is a subset of the foundation component, that is:
1. Fit for a particular purpose: reporting mortality, morbidity, or other uses
2. Composed of entities that are Mutually Exclusive of each other
3. Each entity is given a single parent
Linearizations are similar to the classical print versions of ICD Tabular List (e.g. volume I of ICD-10 or other previous editions). Various linearizations could be built at different granularity, use case or other purposes such as for Primary Care, Clinical Care or Research. The linkage from the foundation component to a particular linearization will ensure consistent use of the classifications.
Proposals

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Info

Introduction
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ICD11 Architecture
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Contributing to ICD-11 Development
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Translation Platform

Single Assessment Questions

icon appears when we have questions about the content. Clicking on them will display the questions so that you may answer them. Clicking the Submit button sends your answer to us.

If you have already answered a question the icon appears in a different color You may read and update your answer by clicking this icon.

Suggesting definitions

A specific type of question is asked when there is no definition for the content. In this case we ask the users to suggest a definition for the entity