A: The variant NC_000020.11:g.18561301A>C in gene SEC23B is classified as 'Uncertain_significance' for Congenital_dyserythropoietic_anemia,_type_II. Molecular consequence: SO:0001624: 3_prime_UTR_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0009134,MedGen:C1306589,OMIM:224100,Orphanet:98873. Review status: criteria provided, single submitter.