A: The variant NC_000020.11:g.42081914G>A in gene PTPRT is classified as 'Uncertain_significance' for not_specified|Abnormality_of_neuronal_migration. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:CN169374|Human_Phenotype_Ontology:HP:0002269,Human_Phenotype_Ontology:HP:0007317,MedGen:C1837249. Review status: criteria provided, single submitter.