A: The variant NC_000020.11:g.62821784G>A in gene COL9A3 is classified as 'Uncertain_significance' for Epiphyseal_dysplasia,_multiple,_3. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0010964,MedGen:C1832998,OMIM:600969. Review status: no assertion criteria provided.