A: The variant NC_000020.11:g.505192G>A in gene CSNK2A1 is classified as 'Pathogenic' for Okur-Chung_neurodevelopmental_syndrome. Molecular consequence: SO:0001587: nonsense,SO:0001623: 5_prime_UTR_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0014893,MedGen:C4310739,OMIM:617062. Review status: criteria provided, single submitter.