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If the source concept does not assert age or time of life and only restricted targets are within scope, the map will be considered CONTEXT DEPENDENT and the Map Terminologist will assemble two or more Map members including Map Rules to properly classify to each ICD-10 target classification. The mapRule will be constructed with reference to the SNOMED CT observable for "current chronological age." 

Exemplar: Age: #1

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• 32398004 | Bronchitis (disorder)| will be flagged for age context . WHO advice specifies using the Age of Onset map rule, because WHO advises that Bronchitis (without further specification) should map to J20.9, Acute bronchitis, for a patient under age 15. Otherwise the correct map for "Bronchitis" is , and map to J40, Bronchitis , not specified as chronic or acute, for patients above this age.
  
  

Info
title Notes and Exceptions
Juvenile-onset and adult-onset diabetes will be considered archaic terminology and treated as type 1 and type 2 diabetes respectively.

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