A: The variant NC_000022.11:g.42210520G>A in gene TCF20 is classified as 'Pathogenic' for Neurodevelopmental_abnormality|not_provided. Molecular consequence: SO:0001587: nonsense. Variant type: single_nucleotide_variant. Disease database links: Human_Phenotype_Ontology:HP:0012759,MedGen:C4022737|MedGen:C3661900. Review status: criteria provided, single submitter.