A: The variant NC_000019.10:g.15238742C>G in gene BRD4 is classified as 'Uncertain_significance' for Cornelia_de_Lange_syndrome_6. Molecular consequence: SO:0001575: splice_donor_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0957921,MedGen:C5882712,OMIM:620568. Review status: criteria provided, single submitter.