A: The variant NC_000021.9:g.45456047G>A in gene COL18A1 is classified as 'Conflicting_classifications_of_pathogenicity' for COL18A1-related_disorder|not_provided|Inborn_genetic_diseases|not_specified. Molecular consequence: SO:0001583: missense_variant,SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: .|MedGen:C3661900|MeSH:D030342,MedGen:C0950123|MedGen:CN169374. Review status: criteria provided, conflicting classifications.