Hi @Liz_Park!
Look at this SNOMED concept: 36717255, Immunoglobulin G4 related disease. It has descendants that correspond to various disease phenotypes, and also has records. It should work 
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Hi @Liz_Park!
Look at this SNOMED concept: 36717255, Immunoglobulin G4 related disease. It has descendants that correspond to various disease phenotypes, and also has records. It should work