A: The variant NC_000020.11:g.63694761C>T in gene RTEL1 is classified as 'Pathogenic/Likely_pathogenic' for Dyskeratosis_congenita,_autosomal_recessive_5|Abnormality_of_blood_and_blood-forming_tissues. Molecular consequence: SO:0001587: nonsense,SO:0001619: non-coding_transcript_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0014076,MedGen:C3554656,OMIM:615190|Human_Phenotype_Ontology:HP:0001871,Human_Phenotype_Ontology:HP:0003135,MedGen:C0850715. Review status: criteria provided, multiple submitters, no conflicts.