A: The variant NC_000020.11:g.492282T>C in gene CSNK2A1 is classified as 'Pathogenic/Likely_pathogenic' for Okur-Chung_neurodevelopmental_syndrome|not_provided|Inborn_genetic_diseases|Neurodevelopmental_delay|See_cases. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0014893,MedGen:C4310739,OMIM:617062|MedGen:C3661900|MeSH:D030342,MedGen:C0950123|Human_Phenotype_Ontology:HP:0012758,MedGen:C4022738|.. Review status: criteria provided, multiple submitters, no conflicts.