A: The variant NC_000021.9:g.45505155C>T in gene SLC19A1 is classified as 'Conflicting_classifications_of_pathogenicity' for COL18A1-related_disorder|not_provided. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: .|MedGen:C3661900. Review status: criteria provided, conflicting classifications.