A: The variant NC_000022.11:g.41926199_41926210dup in gene TNFRSF13C is classified as 'Uncertain_significance' for Immunodeficiency,_common_variable,_4. Molecular consequence: SO:0001821: inframe_insertion. Variant type: Duplication. Disease database links: MONDO:MONDO:0013284,MedGen:C3150739,OMIM:613494,Orphanet:1572. Review status: criteria provided, single submitter.