A: The variant NC_000022.11:g.42619789C>T in gene CYB5R3 is classified as 'Conflicting_classifications_of_pathogenicity' for Neurodevelopmental_delay|not_provided|CYB5R3-related_disorder. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: Human_Phenotype_Ontology:HP:0012758,MedGen:C4022738|MedGen:C3661900|.. Review status: criteria provided, conflicting classifications.