A: The variant NC_000021.9:g.45489516G>A in gene COL18A1 is classified as 'Uncertain_significance' for Inborn_genetic_diseases|not_provided. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MeSH:D030342,MedGen:C0950123|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.