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Discrepancies will be assessed relative to standard medical references and compared to guidance and definitions provided in the ICD10 authoritative source. These two cases are described in more detail below:

Case #1 constitutes fundamental ambiguity in the meaning of the SNOMED CT concept and cannot be mapped pending clarification. These concepts will be assigned a Map member with mapCategoryId of 447640006 |Source SNOMED CT concept is ambiguous|. The editorial notes field will be populated with any information on the map accrued by the Mapping Specialists during their research. The concept will be referred to the SNOMED CT editors and the Map Lead. Once the ambiguity is resolved, the map will be completed and mapCategoryId will be updated with the appropriate assignment.

Case #2 represents a confusing issue for the Mapping Specialist using only lexical tools to review SNOMED CT and ICD10. However, the SNOMED CT definition is not truly ambiguous and the map for this concept will be completed as described herein. The SNOMED CT term which is the source of the confusion will be flagged by the Mapping Team in the editor's notes for editorial review with the expectation that the confusing term will be marked for demotion as a non-synonymous lexical tag.

Examples of Case #2, Discrepancy in synonyms:

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