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The first step is to identify the data elements that may require SNOMED CT coding. These data elements may already be defined in national reporting requirements Footnote ref
, as part of a healthcare data standard you are using (e.g. a HL7 FHIR profile or openEHR archetypes), or you may be developing a new information model (or data set) for a new this purpose. Your requirements for coded content will depend on your specific use case and the data items in your information model. In addition, different countries, regions, and hospitals may apply different clinical techniques or practices, which can also result in differing coding requirements. Therefore, deciding which subsets to implement requires clarification of the scope of content needed, by answering questions such as: Footnote ref n 2
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