A: The variant NC_000022.11:g.23579988C>T in gene IGLL1 is classified as 'Uncertain_significance' for Agammaglobulinemia_2,_autosomal_recessive. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0013287,MedGen:C3150750,OMIM:613500. Review status: criteria provided, single submitter.