A: The variant NC_000020.11:g.63687778C>G in gene RTEL1 is classified as 'Uncertain_significance' for Dyskeratosis_congenita. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0015780,MedGen:C0265965,OMIM:PS127550,Orphanet:1775. Review status: criteria provided, single submitter.