A: The variant NC_000020.11:g.63687668C>T in gene RTEL1 is classified as 'Pathogenic' for Dyskeratosis_congenita,_X-linked. Molecular consequence: SO:0001583: missense_variant,SO:0001619: non-coding_transcript_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0010584,MedGen:C1148551,OMIM:305000. Review status: no assertion criteria provided.