A: The variant NC_000021.9:g.33818433dup in gene ITSN1 is classified as 'Conflicting_classifications_of_pathogenicity' for Autistic_behavior|not_provided. Molecular consequence: SO:0001587: nonsense. Variant type: Duplication. Disease database links: Human_Phenotype_Ontology:HP:0000729,MedGen:C0856975|MedGen:C3661900. Review status: criteria provided, conflicting classifications.