A: The variant NC_000020.11:g.508490C>T in gene CSNK2A1 is classified as 'Uncertain_significance' for Okur-Chung_neurodevelopmental_syndrome. Molecular consequence: SO:0001583: missense_variant,SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0014893,MedGen:C4310739,OMIM:617062. Review status: no assertion criteria provided.