A: The variant NC_000021.9:g.31671854G>A in gene SCAF4 is classified as 'Uncertain_significance' for Complex_neurodevelopmental_disorder. Molecular consequence: SO:0001587: nonsense. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0100038,MedGen:C5568766,Orphanet:528084. Review status: criteria provided, single submitter.