A: The variant NC_000022.11:g.20726493C>T in gene PI4KA is classified as 'Uncertain_significance' for Phenylketonuria. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0009861,MedGen:C0031485,OMIM:261600,Orphanet:716. Review status: no assertion criteria provided.