A: The variant NC_000020.11:g.62821532T>C in gene COL9A3 is classified as 'Uncertain_significance' for not_provided|Epiphyseal_dysplasia,_multiple,_3. Molecular consequence: SO:0001575: splice_donor_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MONDO:MONDO:0010964,MedGen:C1832998,OMIM:600969. Review status: criteria provided, single submitter.