A: The variant NC_000022.11:g.42213082G>A in gene TCF20 is classified as 'Pathogenic' for Developmental_delay_with_variable_intellectual_impairment_and_behavioral_abnormalities|not_provided|Inborn_genetic_diseases|Neurodevelopmental_abnormality|Neurodevelopmental_delay. Molecular consequence: SO:0001587: nonsense. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0032745,MedGen:C5193092,OMIM:618430|MedGen:C3661900|MeSH:D030342,MedGen:C0950123|Human_Phenotype_Ontology:HP:0012759,MedGen:C4022737|Human_Phenotype_Ontology:HP:0012758,MedGen:C4022738. Review status: criteria provided, multiple submitters, no conflicts.