A: The variant NC_000021.9:g.45456130_45456131delinsTT in gene COL18A1 is classified as 'Conflicting_classifications_of_pathogenicity' for not_provided. Molecular consequence: SO:0001583: missense_variant,SO:0001627: intron_variant. Variant type: Indel. Disease database links: MedGen:C3661900. Review status: criteria provided, conflicting classifications.