A: The variant NC_000023.11:g.5903318C>T in gene NLGN4X is classified as 'Uncertain_significance' for History_of_neurodevelopmental_disorder. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C2711754. Review status: criteria provided, single submitter.