A: The variant NC_000020.11:g.51622078C>T in gene ATP9A is classified as 'Uncertain_significance' for Neurodevelopmental_disorder_with_poor_growth_and_behavioral_abnormalities. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0859377,MedGen:C5830273,OMIM:620242. Review status: criteria provided, single submitter.