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The overall objective of this guide is to promote interoperability within and between realms in a consistent way by providing clear guidance for structuring adverse sensitivity data as part of a patient’s Electronic Health Record.

In addition, the objective is to enable consistent adoption of SNOMED CT within the domain of adverse sensitivity data by providing guidance on the representation of relevant information with different levels of granularity, with and without the use of post-coordination. 

Scope

This implementation guide is intended to accelerate the consistent implementation of SNOMED CT within the domain of adverse sensitivity and adverse reactions by:

• Extending previous SNOMED International work on definitions of adverse sensitivity
• Surveying and summarizing the relevant interoperability standards, 
• Advising the SNOMED International community regarding best practice deployment of allergy data within the EHR and identifying the SNOMED CT content that would constitute best practice for use in electronic health records.
• Addressing issues using SNOMED in day-to-day clinical practice
• Provide guidance in reconciling substances as allergens with clinical findings representing diseases and propensities as used in problem lists
• Leverage products and substances hierarchy for allergy decision support 

The benefits include:

Benefits for SNOMED International and its Members

• Members will have uniform, clear best practices for documenting adverse sensitivity.
• This work will support how adverse sensitivity information models such as in the HL7® FHIR® standard can incorporate SNOMED CT.
• Provide definitions for the community to clearly understand the terms related to adverse sensitivity such as allergy, non-allergic hypersensitivity, intolerance, etc. 
• Cost savings: Reduce investment requirements by member vendor community; consolidate NRC costs for SNOMED CT distribution of value sets.

Benefits for SNOMED CT Implementers

• Support interoperability within and between realms in a consistent way by providing clear guidance for structuring adverse sensitivity data as part of a patient’s Electronic Health Record.
• Enable consistent adoption of SNOMED CT by providing guidance on the representation of adverse sensitivity information with different levels of granularity, with and without the use of post-coordination. 

Benefits for SNOMED CT End-Users, Clinical Researchers, Health Provider Organizations, and Vendors

• Fill the knowledge gap in the community of practice by providing authoritative guidance and reference sets that can be used consistently for the representation of:
• an allergy, non-allergic hypersensitivity, and intolerance 
• propensities and reactions
• the criticality of the allergic condition (i.e. the potential seriousness of a future reaction)
• the severity of a reaction 
• Provide guidance for the aggregation & analysis of reported adverse drug reactions (ADR) and sharing/interoperability of ADR reports

Scope

This section describes the scope of the document and the associated work.  

It should clearly describe the project constraints and limitations.

The scope of the work presented in this guide includes:

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SNOMED CT is a comprehensive, multilingual clinical terminology that can be used to standardize and improve the quality of data related to allergies, hypersensitivities, and intolerances. This guide is targeted at the various stakeholders involved with the implementation of SNOMED CT:

• SNOMED International Members who are seeking uniform, clear best practices for documenting adverse sensitivity, and understanding how SNOMED CT can be applied in this domain
• Clinicians who Clinicians who are interested in understanding how SNOMED CT can support the clinical needs for data collection and acquisition within the field of Allergy, Hypersensitivity, and Intolerance. 
• Information managers who are looking to learn how SNOMED CT can be integrated into health information models within the domain of Allergy, Hypersensitivity, and Intolerance to support the implementation of SNOMED CT and enhance data interoperability.
• Software developers who want to learn how to integrate SNOMED CT into software applications used in the domain of Allergy, Hypersensitivity, and Intolerance.

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This SNOMED CT Implementation guide and the underlying work have been developed by the SNOMED International Clinical Reference Group for Allergies/Hypersensitivity. The Clinical Reference Group (CRG) is composed of experts in the field of Allergies/Hypersensitivity providing input from the community of practice on the development, maintenance, and use of SNOMED CT in this specific domain. The CRG members have been instrumental in the development of this guide, providing their expertise, knowledge, and experience to ensure that it is accurate, up-to-date, and relevant to the needs of its intended audience. Their dedication and hard work have made this guide possible and SNOMED Internationalis is grateful for their contributions. This guide is a product of SNOMED International's ongoing commitment to improving healthcare through the use of high-quality, standardized clinical terminologies.

Guide

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Overview

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