A: The variant NC_000022.11:g.42213604del in gene TCF20 is classified as 'Pathogenic' for not_provided|Neurodevelopmental_abnormality. Molecular consequence: SO:0001589: frameshift_variant. Variant type: Deletion. Disease database links: MedGen:C3661900|Human_Phenotype_Ontology:HP:0012759,MedGen:C4022737. Review status: criteria provided, single submitter.